Tessie couldn't be more right about your girlfirend needing to be willing to learn. I can speak from experience:

As I'm sure every woman will tell you, there was a time when I wasn't very good at oral at all. Okay, I sucked (no pun intended). I didn't really enjoy doing it because I knew I wasn't any good and it made me ashamed.
Well, one day I just decided to get over it and decided to ask my boyfriend what he wanted and it was the best thing I could have done.
Now he feels that he can be more open with me and I with him AND he loves the way I give head.

The best thing to do would be to wait for her to ask you what you want, but there's no telling if she will ever be comfortable enough to do that (not by any fault of yours, just some women are not as comfortable with the idea of asking men what to do to please them). My recommendation for you is to give sublte hints about what you would try. The best time to say something would most liekly be when you two are talking about sex, not right in the middle of her going down on you. Just mention some things that you would like to try and see if she is open. If she is, and she does the things you ask (very nicely) her to do, make sure you give her plenty of positive reinforcement in the form of compliments, extra moaning, etc...And yes, you may need to embellish on the moaning a little bit if she's doing what you ask but just needs more practice. If she doesn't think she's doing it right, then she may get ambarrased and ashamed and not want to do it at all.

jon doein first good for you for giving your lady pleasure. That is great!

Now about her giving you a blow job. As a woman I can tell you it takes practice, encouragement and a willingness to learn what it is you like. You play a big part in that. You have to be able to communicate what you want at the same time dont expect equality.

I have been with my husband 16 years and he will tell you that he gives oral lots more then I do. Its just the way it is.

Also what Ringo said is good too. Put your hand down there and help her out. Switch it up some. It is also good to change positions. She might be stopping because her neck or jaw is hurting so a break is a good idea. As to using flavor items. I guess you could try and see how she likes that. Personally I like it best when he is fresh from the shower.

Try telling her how much you enjoy it - from my experience women enjoy a compliment!

Personally I enjoy a handjob at the same time, but I'm sure different things work for different people.

Cheers,

Ringo