I participate in things now either because they're fun or I enjoy chatting with people. Nothing mentioned here would make me change my habits, such as they are. To elaborate:
-Obviously, I'm not going to do something I don't find all that fun for more tokens.
-I'm assuming your intent is to foster a desire to participate in things on RinkWorks as opposed to elsewhere; the things mentioned above that I could use the tokens for wouldn't, for me, be enough to make me change my habits.
-That's not to say there couldn't be something that I would want enough for me to change.

Of course, I don't see anything wrong with having the system and for those people for whom it might act as incentive (prestige more than anything, probably. Collecting lots of tokens, I mean) it'd be a positive thing for the site and community.

Other thoughts:
- I wouldn't give out tokens for providing personal information (participating in the RinkAlbum).
- I'd add the Demographics Survey to the list of things for which you'd get a one-time amount of tokens.

My $.02