[Level adjusted] although I think I made it look worse, hahahah, anyway.
I like the first one & the third.
How are you with values? Being able to create form like roundness/sharpness with value/light. I'm still on the study with them, so, no comment.
The last one could use a check on foreshortening, but that pose looks hot.
[Her right bottom of butt cheek (does that make sense) is showing from that angle? else that whole thigh should be added with massed all around.]
The first 6 links on my sig are a definite look. (Well, for me anyway)
Keep up with the studies to help in that imagination.