Board Thread:ROBLOX help and discussion/@comment-30388843-20160108222217/@comment-26397550-20160108223258

It really doesn't matter if it's bad or not; if ROBLOX has denied it, it means they feel that it's against the rules, therefore you shouldn't upload it again.

But if you're really desperate to get it approved, change a singular pixel in the image and reupload.