The solution imho isn't too complex, altrough the final decision is not mine ...
Release all the Sputnik project Open Source, and add a simple Paypal button in a future Sputnik's Home Page
2000$ is already availible for Marcik thanks to the old donations, plus with future PayPal ...
Off course, this is only my personal opinion
BACK FOR THE FUTURE
http://www.betatesting.it/backforthefuture