I don't have a lot of time. And I'm not the evangelistic sort. So here's what I do:
1. I buy every single book Yogani sells (including PDF version). Why? It's handy to have them all, they help me, this practice is important to me so I may as well own the tools. And those sales help keep it all going. There's not one AYP thing out there that I don't own (a couple in multiple copies).
2. I buy a bunch of the meditation books every few months (they give away like hotcakes...and I indulge the urge to give them out).
3. every once in a while when I look back on the amazing changes AYP has brought about for me, I send some money via paypal to yogani99@yahoo.com. Yogani currently happens to be using the money to promote the practice, so my payment contributes to those efforts. But if Yogani were to buy a plasma tv with the money, god bless him, he deserves it. I always give slightly more than I deem prudent...though far less than what I probably should pay.
4. I don't go nuts proselytizing (just not my style), but if I meet a sincere seeker, I don't fail to make an earnest suggestion they check out AYP (if I meet someone less dedicated, or simply just someone depressed and miserable but showing signs of spark underneath it all, I just flip 'em the meditation book and let Yogani's words do the heavy lifting).
5. I remind people periodically to do the above.
So...that's what I do. And every once in a while I suppress the urge to sell all my belongings and send the money to Yogani (sorry, Yogani...your fault for stressing level-headedness).