[Total_Meltdown]

They seem OK with downloading to me... http://i.imgur.com/wVZCFLm.png

Edit: And if it was a bug, they've taken their sweet time fixing it. I can still right click -> Save Image As.

[jrockway]

Indeed. If Facebook is trying to lock users in, a non-patent-encumbered format with a free BSD-licensed reference implementation seems like the wrong way to do it.