Members should have the choice of opting in/out of any awards. Not everyone wants to advertise to the world if they're a big spender (or if they're unable to purchase tokens as much as they'd like to).
There could also be a 'multiculturalism' award for interacting with models from a wide variety of countries. Bonus points if you can converse with them in a language other than English.

A 'camscore doesn't matter to me' one for interacting with some of the lesser-known ladies.
Maybe a 'knew her before she was famous' one which unlocks when the model breaks into the top 100/500/whatever.
Tenure-based achievements... 6 months. 1 year, 2, 5, etc. since creating an account or becoming premium.
Repeat token purchases. Yeah, someone who actually bought tokens more than the one time needed to become a Premium.

Not being banned/blocked/ignored by models for 30 days.
Being added to X number of friend lists.
Some that can be awarded solely at the model's discretion, like being a good friend, making her day, etc.