size should be a tuple
force thumbnail creation of audio
raise an error if the file failed to copy to public storage

catch copy_local_to_storage errors and raise PublicStoreFail, saving the keyname
catch processing exceptions and if entry_orig_state is processed, then ignore the exception
forgot to add the ascii resizer to the list of processors
add quality and filter args to image processors
typos
include a thumb_size string with each Resizer to run gmg reprocess thumbs
use thumb_size
only try and delete queue file if it exists
check medium_size arg in skip_transcoding, not config
make medium dimensions a tuple
refactor get_orig_filename to return an acceptable filename to the processor.

If there is an original video file and we skip transcoding, delete the webm_640 file
for some reason, the minimum thumbnail size for videos is 100 x 100
Keep the best quality file if there's no original
use a tuple for the size