^ Very cool. I hadn’t realised it was a pumpkin until you posted the larger image, I thought it was the sun reflecting in the visor! Did you make it yourself?
I think oojason said the past that if you leave the site, then refresh the cache (hit CTRL & F5 on most web browsers?), come back to the site, and any newly changed avatar should then appear. Otherwise it takes a few days for avatar changes to appear.