The shading on the hair is really nice. Especially in the second one. My only critique would be to add some shading on her arm in the first one. With that giant bell of hair swallowing up her shoulder, it should leave a shadow on her arm. Other than that, it's quite nice.
Also Pam, (It's Pam, right?) what program did you use? Photoshop? Flash? Sketchbook?
Edit: Also, while it was too far buried to appear on the first page, there's a
fanart thread. Don't worry too much about it, though. I had to dig deep to find it, but just for future reference.

'Notha Edit: Welcome to the forum, both of you.