Imgur is one I like to use, as Tinypic likes to delete stuff eventually. I've not seen Imgur do the same...yet.
Pic aside, can you tell us more about what you did? Give a bit of detail?
[[ Michigan Blader | Avatar photo by
Ivan Kislov ]]
Cleaning up threads, lalala. But hey, instead of tagging directly for issues, why not use the report button? It's just better.