More On Posing
Jill Billingsley is an excellent model and she has a great youtube channel full of tutorials. She covers posing for fashion, commercial and glamour
https://www.youtube.com/user/annjulius
This is her portfolio - she's very good -
http://www.brandtalent.net/3975/JillBillingsley
Once you've started to work your way through those tutorials so you understand what you are seeing then it's a good idea to look at collections of classic fashion photography
2012/01/art-of-fashion-by-helmut-newton-for.htmlhttps://agnautacouture.com/
Arguably the two best fashion agencies in the world; browsing shots in their models' portfolios is a great way to learn
http://www.elitemodel.com/elite/
http://models.fordmodels.com/