[AT&T, Rogers, Bell, Telus Samsung Galaxy S III] loserskater:
Rom Changelog:

2.2 (04-02-13):

Added OTF battery mod

-Select 30+ battery icons

-Under Display

Added option to enable/disable blocking icon

-Change the setting BEFORE enabling blocking mode.

Added popup browser

Added 180 rotation

-Enable in aroma

Added 4.2 keyboard

Fixed Note2 camera not being installed

Added proximity NFC.

-Check the thread for an overview of what this is.

Fixed issue with some apps not loading (14px, Fun Run, etc.)

2.1 (03-13-13):

Includes fixes for 2.0

-Fixed FC when selecting ink effect from lockscreen settings

-Fixed long press back to kill apps

-Fixed long press home for recent apps

-Fixed FC when ending a phone call

Added Lockscreen Torch

-Enable in lockscreen settings

-Long press home on lockscreen to use

Added option to enable/disable edge zoom in browsers and gmail

-Enable in Display Settings

Added option to show/hide brightness slider in notification panel

-Enable in Display Settings

Removed Blocking Mode notification

Added debloat option in aroma

Aroma now saves your choices on sdcard

Older changes:

2.0 Fixes

Fixed Settings FCing when selecting Ink Effect

Removed lockscreen torch

Fixed long press home for recent apps

Fixed long press back to kill app

Fixed FC when ending phone call

2.0 (03-10-13):

Rebuilt from LL1

-All previous modifications should be working

Added option to enable and disable long press to skip tracks

Updated modified Youtube

Added some default wallpapers

Added some messaging features

-Pictures aren't in a slideshow

-Template button when composing

-Added delete button to action bar in conversations

-Screen off/on toggle

-Group Messaging

-Save/Restore

-Scheduled Messaging

-Increased SMS limit per hour

-Disable SMS to MMS auto conversion

Added call and message blocking to settings

Fixed AOSP lockscreen clock

Probably some more stuff I'm forgetting

1.8 (02-03-13):

AOSP lockscreen now uses AOSP clock

Change status bar clock location in settings>Date and time (Big thanks to Didact74)

Added ink effect (still a little buggy)

Reverted 5x5 launcher*

Added popup browser

Added modified YouTube app*

Increased joinable contacts to 200

Increased Messaging repipient limit to 200

Added NFC with screen off/lockscreen*

Finally removed the annoying AT&T Subscriber popup when opening contacts

Black status bar with white clock.

Updated AOSP MMS

*Enable with the mods app

1.7 (01-11-13):

Removed volume down as shutter in stock camera so you can still access zoom. (Volume up is still shutter)

Note 2 Gallery wallpaper FC fixed

Note 2 Camera Limit to MMS in Camcorder FC fixed

Can use Note 2 and stock (modified) camera/camcorder in calls, with low battery, etc.

Fixed lockscreen rotation

Can now hold back to kill current app

Moved Bravia Engine to mods app.

Removed AT&T address book popup when opening Contacts.

Added 5x5 Touchwiz launcher with scrolling wallpaper

Added 4.2 touch sounds to mod app (thanks enewman)

Fixed phone FC on clean install when using AOSP MMS.

1.6 (01-07-13):

Allow landscape orientation in lockscreen

Fixed native tethering

Added Bravia Engine

Added GooManager(Should now be able to check for updates through the app)

Fixed bug in Media Scanner that would cause high usage

Mods (ues with mods app):

4.2, Note2, and unmodified stock camera

Display keyboard notification

AOSP MMS (Note: this will wipe all of your messages!!! Only during first install, updates shouldn't wipe)

READ THE ISSUES REGARDING AOSP MMS IF YOU USE IT!!!!!

1.5.1 (12-29-12):

Fixed Status 7 errors when installing.

Fixed center clock bugs (No more show/hide clock and am/pm)

Removed am/pm from status bar clock

You can choose center or stock clock with or without brightness slider in the mods app

1.5 (12-29-12):

Added weather in AOSP lockscreen

Removed keyboard notification

Center clock (able to remove time and am/pm in time settings)

Removed AT&T boot animation

Disabled menu button unlock on AOSP lockscreen

Long press volume to skip tracks works much much much better

1.4 (12-23-12):

Removed low battery notices from camera

Can now use volume buttons to take pictures/record

Removed AC!D sound mod. Can be enabled through mods.

Added AOSP email to mods.

Long press volume buttons to skip tracks

Much better and much much easier mod system

**The old "folder" mods will not work from this version on**

1.3.2 (12-16-12):

Added some minor build.prop battery and performance tweaks

Added Noozxoide add-on for AC!D sound mod

1.3.1 (12-15-12):

Fix problem where SVoice is installed regardless of extension in loserROM folder.

1.3 (12-15-12):

Added AOSP lockscreen (Choose swipe from the lockscreen options)

Added new mods system. Read the Mods section in the OP!

1.2 (12-12-12):

Added Accuweather widget(Labelled as 'Weather' in widgets. Touchwiz only!)

Actually removed battery notifications

Removed brightness slider

Removed persistant blocking mode notification

1.1.1 (12-8-12):

Removed S Voice

1.1 (12-8-12):

Removed low battery, battery full, and battery hot notifications

(It still won't charge when the battery is too hot, you just won't get the notification.)

Added AC!D sound mod

Fixed native tethering

Removed Google Search, was causing issues. Download from the Play Store.

Added weather apps back in for weather info on lockscreen, etc.

Added Samsung apps (S Memo, S Suggest).

Added Calendar widget.

Removed carrier label from status bar.

Removed ongoing wifi notification

Themes:

Special thanks to RockRatt for his SPIDERMAN DARK THEME for LoserRom

FAQ/TIPS:

GPS issues: