Lately some people have been having problems with it (but i uploaded quite a few images the other day).
Are you trying to upload multiple images at once?
Are they correct image file types? (jpg, gif, png)
Were you able to upload images before?
Have you tried using a different browser to upload images? (if you use Internet Explorer, try using Firefox, vice versa...or if you're on a Mac then Safari(?) or Firefox)
Are they very large images? (900pixels wide/high +)
Have you recently updated things like Flash and Java, etc?
Any of the above details could be helpful. Or it could just be site issues and it will fix soon.
