HoneyPot,
I almost replied to this earlier, but didn't quite make it to posting. First, I think the most important thing is what onodrim just said. It's what I almost posted earlier. Before you start trying anal, I'd suggest resolve your feelings about it as well. It will still have that naughty edge to it if you decide to go for it.
After that, you can find a ton of tips on anal with a forum search. I think there's a few tips here :
http://www.tfproject.org/tfp/showthr...light=anal+sex for example
Best of luck and take it slowly. No pun intended. Well, maybe a little....