A lot of pro$$ies use really dark images, obviously to disguise what they are really like, others use "professional" pictures often with lots of photoshop again to disguise what they are really like.
Pro$$ies ask what are best and how often should they update, the answer is clear shots that show exactly what the girl is like, however all parties are going to disappointed with the results if the girl is not fit of body.
This profile shows how it should be done, clear photos showing exactly what she's like, regular updates and honest pictures. Ok she has a crap reputation for her attitude but as pictures for an AW profile these are perfect, but at the end of the day perhaps the most defining factor is she's FIT www.adultwork.com/1311155
And she clearly doesn't pay for her pics, they are just snapped around the house, none of that "it takes a whole day to do a photoshoot" bollocks that some others spout, it may take a whole day for some to photoshop the images but not shoot them