These I made:

Moving Ladybug

Spinning KFM

Moving R!

No Longhorns

Smiley with Glasses

Caltech

Geometric

US Flag

Coffee Cup

Supply and Demand

Ladybug

Pink M

KFM

Circle K

Red MC

S

Vita

TE

SET

Stock

Ladybug

Inq

Lightning

Stop

B3

$

These are from http://www.nhyrvana.com/favicon.html. There are hundreds there, these are just ones I liked.