For all you people who are bored with your picture.

First you need a gravatar account (go to view profile, manage account, gravatar.)
Click the link. Or go here
Do all the stuff that pops up to create an account.
Press add new image.
Press upload new.
Press choose new, then go to your files (where you saved your picture)
Press next and then crop the image
Press next and set the rating to G.
Exit and wait a few minutes.
Then the next time you go into SimplePlanes, your picture will be there
Hope this helps.