This one's a little more important...

movie, albums - mime_type for old and new
movie, thumbs - jpg for old and new
album, thumbs - mime_type for old (null for albums), jpg for new - bug fix.
photo (all) - mime_type for old and new
album, albums - already rejected for old and new 
movie, resizes - already rejected for old and new
album, resizes - already rejected for old and new

Note also that the old data_rest function has a different set of bugs in the same place...