Hey all! Glad to hear you like the designs. The same graphic artist / designer did all of them. All the designs (well, except for "Cheep Therapy") are original artwork. He's actually a member of this forum but doesn't have chickens (yet).
Regarding Paypal credit card payments: I'm totally baffled by this. Other credit card payments via paypal are going through just fine, while other have tried multiple cards and are still having a problem. I'll do some searching to see what I can find.