Actually I meant I would wnna buy via paypal
Other users have most of the points to be made well handled, so I'll just point out that "WTB" means "Want to buy"; When your thread is titled "WTB Paypal" that translates to "Want to
Buy Paypal", which isn't what you're looking to do.
Changing the title of the thread would be more accurate, but as others have mentioned, it's unlikely anybody is going to want to accept Paypal from any account with less than stellar reputation and history doing exactly that.