i like the idea of an event icon for the 10-10-10 you should post it in the feedback site
just posted it on the feedback site
http://feedback.geocaching.com/geocaching/..._10_10_10_event
this is the key right off a cache page
Decryption Key
A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z
(letter above equals below, and vice versa)