In this particular blend file, alpha from any image loaded into the compositor is lost. Alpha works ok outside of compositor tough
http://pasteall.org/blend/3732
How it looks for me
http://www.pasteall.org/pic/show.php?id=5947
Description
Description
Event Timeline
Comment Actions
Ubuntu 10.04, 64bits, rev32053
Same problem with bug.blend,here.
No problem if Color Management enable.