A small problem with my credits

Hello there, I have a small problem I just hope to get a quick answer from either experienced users or from the site staff.

I live in India where there is a problem with paypal payment, so what I do is let my model stay inactive, and after a few days if my other models are sold, the money from the new items being sold will be used to get the credits back, everything within the site. However this month that did not happen, when my models were sold, the money came directly to me through paypal, and these paypal guys donot allow me to buy credits, because I stay in India and online purchases are to be done only through a credit card, which I currently donot have... :(

So I was wondering if the site admins or anyone could suggest me what to do next, you see I really want to participate in the Sci-Fi challenge, but due to this small glitch, I cant enter into the challenge.

Finally, all I request is the next time my model will be sold on the site, I just want the site to keep the money instead of directly sending it to my paypal account and us it for unlocking my inactive items, if its possible...

by the way, I really love these new challenges, even if I wont win, I would really love to participate in them.... I also suggest other users to check them out, it looks real fun to me...

Cheers... <3