[Nexus S Android Development] FloHimself:
@mathkid95

You should really cleanup before packaging your roms...

$>unzip -l ~/Downloads/Matr1xRom_v1.5-crespo.zip __MACOSX*
Archive: ~/Downloads/Matr1xRom_v1.5-crespo.zip
Length Date Time Name
--------- ---------- ----- ----
0 2011-11-14 04:29 __MACOSX/
645 2011-11-11 19:25 __MACOSX/._boot.img
0 2011-11-14 04:29 __MACOSX/system/
0 2011-11-14 04:29 __MACOSX/system/app/
82 2011-11-14 04:27 __MACOSX/system/app/._.DS_Store
244 2011-10-23 04:57 __MACOSX/system/app/._Calendar.apk
244 2011-11-11 21:07 __MACOSX/system/app/._SystemUI.apk
0 2011-11-14 04:29 __MACOSX/system/etc/
244 2011-10-06 07:09 __MACOSX/system/etc/._hosts
0 2011-11-14 04:29 __MACOSX/system/etc/init.d/
82 2011-11-13 17:45 __MACOSX/system/etc/init.d/._.DS_Store
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._00banner
244 2011-11-11 21:08 __MACOSX/system/etc/init.d/._01efstar
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._01sysctl
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._03firstboot
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._04modules
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._05mountsd
244 2011-11-11 21:08 __MACOSX/system/etc/init.d/._06dalvik
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._06mountdl
244 2011-11-11 21:12 __MACOSX/system/etc/init.d/._20userinit
244 2011-11-11 21:08 __MACOSX/system/etc/init.d/._91sdcardspeedtweak
0 2011-11-14 04:29 __MACOSX/system/fonts/
244 2011-11-11 21:08 __MACOSX/system/fonts/._Roboto-Bold.ttf
244 2011-11-11 21:08 __MACOSX/system/fonts/._Roboto-BoldItalic.ttf
244 2011-11-11 21:08 __MACOSX/system/fonts/._Roboto-Italic.ttf
244 2011-11-11 21:08 __MACOSX/system/fonts/._Roboto-Regular.ttf
0 2011-11-14 04:29 __MACOSX/system/framework/
244 2011-11-11 21:08 __MACOSX/system/framework/._.DS_Store
244 2011-11-11 21:08 __MACOSX/system/framework/._am.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._android.policy.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._android.test.runner.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._bmgr.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._bouncycastle.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._com.android.future.usb.accessory.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._com.android.location.provider.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._com.google.android.maps.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._core-junit.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._core.jar
244 2011-11-11 21:12 __MACOSX/system/framework/._ext.jar
244 2011-11-11 21:12 __MACOSX/system/framework/._framework-res.apk
244 2011-11-11 21:08 __MACOSX/system/framework/._framework.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._ime.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._input.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._javax.obex.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._monkey.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._pm.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._services.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._sqlite-jdbc.jar
244 2011-11-11 21:08 __MACOSX/system/framework/._svc.jar
244 2011-11-13 18:04 __MACOSX/system/._framework
0 2011-11-14 04:29 __MACOSX/system/lib/
0 2011-11-14 04:29 __MACOSX/system/lib/hw/
244 2011-11-04 02:29 __MACOSX/system/lib/hw/._lights.s5pc110.so
0 2011-11-14 04:29 __MACOSX/system/media/
0 2011-11-14 04:29 __MACOSX/system/media/audio/
0 2011-11-14 04:29 __MACOSX/system/media/audio/alarms/
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Beep_01.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Beep_02.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Beep_03.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Buzzer.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Classic.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/alarms/._Alarm_Rooster_02.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/._alarms
0 2011-11-14 04:29 __MACOSX/system/media/audio/notifications/
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Aldebaran.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Altair.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Antares.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._arcturus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Beat_Box_Android.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Betelgeuse.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._CaffeineSnake.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Canopus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Capella.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Castor.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._CetiAlpha.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Cricket.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._DearDeer.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Deneb.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Doink.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._DontPanic.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Drip.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Electra.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._F1_MissedCall.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._F1_New_MMS.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._F1_New_SMS.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Fomalhaut.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Heaven.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Highwire.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._KzurbSonar.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Merope.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._moonbeam.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._OnTheHunt.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._pixiedust.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._pizzicato.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Plastic_Pipe.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Polaris.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Pollux.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Procyon.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._regulus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._sirius.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Sirrah.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._SpaceSeed.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._TaDa.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Tinkerbell.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._tweeters.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._vega.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/notifications/._Voila.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/._notifications
0 2011-11-14 04:29 __MACOSX/system/media/audio/ringtones/
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._ANDROMEDA.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Aquila.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._ArgoNavis.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Backroad.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._BeatPlucker.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._BentleyDubs.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Big_Easy.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._BirdLoop.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Bollywood.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._BOOTES.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._BussaMove.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Cairo.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Calypso_Steel.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CANISMAJOR.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CaribbeanIce.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Carina.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CASSIOPEIA.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Centaurus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Champagne_Edition.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Club_Cubano.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CrayonRock.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CrazyDream.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._CurveBall.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Cygnus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._DancinFool.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Ding.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._DonMessWivIt.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Draco.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._DreamTheme.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Eastern_Sky.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Enter_the_Nexus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Eridani.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._EtherShake.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._FreeFlight.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._FriendlyGhost.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Funk_Yall.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._GameOverGuitar.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Gimme_Mo_Town.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Glacial_Groove.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Growl.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._HalfwayHome.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._hydra.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._InsertCoin.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._LoopyLounge.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._LoveFlute.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Lyra.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Machina.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._MidEvilJaunt.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._MildlyAlarming.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Nairobi.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Nassau.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._NewPlayer.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._No_Limits.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Noises1.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Noises2.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Noises3.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._OrganDub.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Orion.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Paradise_Island.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Pegasus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._PERSEUS.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Playa.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Pyxis.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Revelation.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Rigel.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Ring_Classic_02.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Ring_Digital_02.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Ring_Synth_02.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Ring_Synth_04.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Road_Trip.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._RomancingTheTone.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Safari.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Savannah.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Scarabaeus.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Sceptrum.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Seville.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Shes_All_That.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._SilkyWay.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._SitarVsSitar.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Solarium.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._SpringyJalopy.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Steppin_Out.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Terminated.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Testudo.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Third_Eye.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Thunderfoot.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._TwirlAway.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._URSAMINOR.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._VeryAlarmed.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._Vespa.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ringtones/._World.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/._ringtones
0 2011-11-14 04:29 __MACOSX/system/media/audio/ui/
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._camera_click.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._Dock.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._Effect_Tick.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._KeypressDelete.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._KeypressReturn.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._KeypressSpacebar.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._KeypressStandard.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._Lock.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._LowBattery.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._Undock.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._Unlock.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/ui/._VideoRecord.ogg
244 2011-11-11 21:08 __MACOSX/system/media/audio/._ui
244 2011-11-11 21:08 __MACOSX/system/media/._audio
244 2011-11-11 21:08 __MACOSX/system/media/._bootanimation.zip
244 2011-11-11 21:08 __MACOSX/system/._media
0 2011-11-14 04:29 __MACOSX/system/modules/
244 2011-11-11 21:08 __MACOSX/system/modules/._.DS_Store
244 2011-11-04 05:06 __MACOSX/system/modules/._bcm4329.ko
244 2011-11-11 21:12 __MACOSX/system/modules/._scsi_wait_scan.ko
244 2011-11-13 18:10 __MACOSX/system/._modules
--------- -------
50585 223 files

And you should also check your kernel packages, they are also soiling the users devices...

Update: You seem to be right, the files aren't copied to the devices. Anyway you should clean up your packages.