I finally decided to upload a logo to replace the generic icon with letter in my profile for the forum.
No matter how small I make the logo, the preview panel cuts it off and shows the same bits of it.
What parameters do I need to adhere to? Some of you guys have pretty detailed icons.
The problem was that I was trying to fit a rectangular peg into a round hole.
I should have been using a square peg instead so that the corners all got pounded off evenly.