Upload avatar help (image sizing)

Will some kind soul please reveal how to compress images for the upload icon thingy? It's up and running, but my image is 80k and needs to be 10k I think. Please help me change this sad NY Mets logo.
Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."
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Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."
Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."
Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."
<< <i>Joe, still having problems. Does it work the same way, copy the link and its already compressed? >>
Down load the image you want as your avatar, then resize your image to 100X100 "small" . Now you can go ahead and copy and paste to your forum sight. Hope this helps....Joe
Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."
Ken
For those interested, this is a 1968-d DDR lincoln cent. Nice doubling on entire reverse, especially "AMERICA" which you probably cant see on the avatar. Just wanted a nice patriotic image for memorial day and beyond.
Thanks again, I love it!
Dead Cat Waltz Exonumia
"Coin collecting for outcasts..."