I'm trying to make my avatar a custom one using Photobucket. I used the direct link and it says it's not a a valid file, which it is a valid one though. I saved it to my computer and tried to upload it from there and see if that worked to no success.
(File Size: 2 kb - 58x70)
The uploaded file is not a valid GIF, JPG, or PNG file. Please ensure that it is and try again.