Good work, and worth some time to write a bit about each. I'll take these on one at a time:
1) Great expression. You bounced this on-camera flash off a reflector, right? Whatever you did here, do it more...this is top-notch for on-camera light. Pose and cropping need a little work. I'd prefer to see her looking into the key light camera right, instead of broad-lighting it looking camera left. Doing this would slim her face and remove the highlight on the her nose by the ambient light (on nose camera left). Cropping: you cropped off fingers, arms, and hands. Leaving just a sliver of arm off makes it look wider than normal...get it all in or crop it all off. Also, I dislike the rod passing through her head...a tight crop w/o that bar would look good.
2) Really good, best of the set. She's stunning, and her hair looks good, except for that one sliver hanging btwn her eyes...get rid of that. Lighting: again, top notch with on-camera light. Pose: really good, but keep in mind for next shoot: rotate her head ever so slightly toward the camera to get a sliver of skin on the far side of her far eye. Her eye dissapearing into her hair is less than perfect, but only by a little bit. Great job here.
3) Coming down in quality from the other two. Big chunk of hair on side of face, don't like it. Eyes are glowing with PP'd look. If it wasn't you, you should darken them in PP. This is looking pretty flashed from on-camera. Whatever you did in #2 isn't working so well here. The problem is your on-camera light is no longer a fill light, it's now a main light. There's no other light to work with on her face. On-camera flash as fill light: tolerable. On-camera flash as main light: un-good.
4) this is pretty good, but again with the on-camera main light problem. I like the pose here alot...but again with the far eye comment.
5) This is a great shot murdered by the on-camera main light. If you got a $1 piece of white foam-core, held to the right of the camera and slightly above her eye-line, bounce the flash with it using TTL, you'd have a MUCH better picture. Again, fill-light isn't fill light anymore if there's no brighter light hitting her face. Other notes: pose is static, I'd probably tilt this a little, but that's just my taste. Eyes are really glowing here, off-camera light would probably help if you didn't do that on purpose. Model is stunning.
6) same comments on lighting. Call this girl back and re-shoot, she's really good in front of the camera! Lose the stray hairs on her forehead and in her eyes.
Good work. My advice: get that flash (or at least the light from it) off camera! It'll bring you up from pretty good to great!
Dave
--
'Now you see that evil will always triumph because good is dumb' - Dark Helmet
David Sammonds
LentoLux Photography
http://www.lentoluxphotography.com
Baton Rouge, LA
http://www.myspace.com/lentoluxphotography