Since it isn't hard to figure out where this thread is leading, it should be noted that there have been several threads discussing using PayPal as a means to obtain miles, and the perils and pitfalls associated with it:

http://www.flyertalk.com/forum/showthread.php?t=675190
http://www.flyertalk.com/forum/showthread.php?t=395382
http://www.flyertalk.com/forum/showthread.php?t=366967
http://www.flyertalk.com/forum/showthread.php?t=336156

Mike