This lot usually have pics that are photoshopped but genuine. The service tends to be a bit passive in that they are willing to let you do whatever you want on the services list but any enthusiasm from them feels fake. The couple of times I have used them, found the girls willing (A-levels without extra charge in 30 min sessions for example) but uninspiring overall (the dinghy apartments didn't help)
What has been the real problem (quite possibly imagined on my part) is that on both occasions (particularly the second) I have wondered whether they have been subjected to the skilful ministrations of a surgeon specialising in gender alterations and that's ruined the punt (psychologically) for me. On both occasions, very attractive and feminine looking but slightly deeper voice, knobbly hands...