Seems like my profile picture on the lexaloffle.com won't work no matter what I do. The description says it's 48x48 so I chose a 48x48 pixel image but it doesn't show up. What's up with that??

A problem like this occurred for me before.
By any chance is the area where you entered the image look like this:

^^^ Notice multiple image files. It should look like this:

This is the only reason why my image never showed up before.

Hope this helped.