begging for more comments and help on how to improve!
i have sorted the expressions issue, at least i think i have

portfolio on here and http://kellyculver.weebly.com

thank youuu

Hi Kelly, as i only do TF shoots i naturally end up working with new models. A trick that works for me is telling models to think about making S's or Triangles with your body or parts of your body. Also exagerate them, when it feels like you have it right push it a bit more until it almost hurts.(or does hurt depending on your dedication.)
This is working very well for me at the moment.
I also saw Tyra Banks once telling Americas Next Top Models, think about being in pain. clutch your head like your in pain or knee like your in pain or bum like your in pain. Bizaare but it works and if you look at peoples images you will see all of this if you analyse them.
You have some of this going on at the moment in some of your images your leg points inwards towards the other, on one image forming a triangle!.

Quick analysis of your images.
Not a critique just an illustration of what i mean relating to your images.

The derelict shoot you have three traingles one large one on the left of your whole body, one between your legs and one on the right side this makes this image work.

B&W One small triangle with the leg-you could have made one above your head with the opposite arm to improve it.

The 3rd image is an S from your hair down to your waist, sort of traingle on the front left side.

Red Lips triangle to the right.

4th image no traingles or S'S so it doesnt work for me as an image.
Golden rule (Generally no straight arms or legs).

Top Right nice eyes but no S or triangle.

Purple stuff- Triangle city so works well.

Headshot-draw a big s from the right side top of your head back along your hairline then down your left side of your neck, then out to your crossd hands. there is also an arm triangle, good but had you exagerated these i feel it would have been better.

Fluffy headpiece, a masive double s down the back of you. A big triangle from the top left of the image to your chin then back out to bottom left. Lots of small S's with hair and around the face area.

Try looking for these shapes in images and in the mirror and see if you agree.

Only my opinion and what do i know! but hope it helps.
Regards Paul

Thanks, I will definately keep that all in mind thanks for taking the time to write that :P