How do you...

AladdinSane

How do you personalize the atvar? I notice there are atvars that are not in the standard lists and would like to insert my own. TIA

goose3

usually on the 15th of each month you can upload one if you wish to.

there are size requirements though.

Numismanic

You have to wait until the 15th. of the month (or the Friday before if it falls on a weekend).
There is a size limitation also - 100 x 100 pixels at 10K.

coinguy89

Just remember that time and find something you'll like.