I am on many sites that you can use as a photographer to contact models, adultfolio is most likely the one where models actually answer your questions.
Apart from direct model to model recommendations this is the best way to arrange photoshoots, all types of models are here, from art-nude to hardcore, so every photographer will find what he is looking for.

I have found many opportunities for modelling through this site. It's easy to use and set up. I like the calendar so I can keep a track of bookings and it also helps the tog remember the booking time to by adding onto there calendar. Communication with potential togs and other models is first-class as is the opportunity to advertise your self or apply for shoots.
Fantastic
Beenie xxx