w00t! Here it goes.

• The quidditch drawing of yours is a good one, Harry and Draco seem realistic.
• I like Hedwig, its cute.
• The 'cupboard under the stairs' one is also pretty good.
• I like your fourth drawing of Cho, she looks gothic in it. I support all Cho art, yay!
• The pictures of the different Tonks is also another good drawing of yours.
• I like the style which you've used in the picture of Malfoy, Crabbe and Goyle, it's a really good one.
• The picture of Lily/Tonks seem abstract to me, I like it. Nice usage on the colours.
• The Yule dress's drawing is another good one of yours, I like those poses.

btw, your avatars are good but I don't think it's a good idea posting them in an art forum.