Take a look at the
Avatar Tutorial Thread .
An Avatar image has to be either a JPG or GIF file, and its width can be no greater than 90 pixels, the height no greater than 100 pixels, and the file size no more than 6 KB. About the best to way to manage that is to save the image you want to your hard drive, size it and save as either a GIF or JPG, then upload the properly configured avatar image to your profile. A free, easy-to-use image manipulation app is
IRFANVIEW. With Irfanview, you can size and convert just about any any image appropriately.
You might wanna also take a look at the
How To Post An Image Tutorial Thread