If you click on "Extras" just under the header, you can "buy" Packer jerseys for 1000 credits each that will display on your posts. (You're a Steelers fan, right? I haven't seen any of those in there. :wink
If you want to gift them to someone else, you can click on the number of credits you have, and fill out the name of the recipient and the amount, and leave a note if you want.
(I have been the lucky recipient of some gifts these past two days - thanks again to everyone who gave me credits, don't know if you want to be publicly identified or I would.)