Hi, I might be reading incorrectly between the lines, but am taking it as you are looking for more clients at the same rate- I'm not sure of the reasoning behind going exclusive/VIP unless you have rates to match? If it is just about increasing business then I agree good photos do help and maybe just a rejig of your text on profile/website/adverts.
I also think that VIP/Exclusive etc doesn't necessarily mean more clients and as far as I can tell these kinds of escorts have a flashy incall place to justify this- I don't believe their looks or services are actually much different to regular escorts and to be really honest how can you be 'exclusive' if you are seeing more than one client ever?! You need to think about what makes YOU different to other escorts in your area and what it is clients actually look for- I'd guess that your size is one of your niches so you need to play on that but also maybe using words like independent, experienced, professional, discreet, fun, friendly, kind, patient- I think a lot of chaps look for this- being established and genuine is a real thing many men look for because they are nervous about being ripped off or made to feel shitty somehow. I think there is merit in being 'normal' girl next door' type of escort because the terribly posh glammy women are intimidating to some men and also lists of what they think of as 'scary' services puts some off.
NB: Not saying those who are 'high'end' or offer BDSM are wrong- just that there are clients for all types of women and we all have to work on what we do best.
One other thing you could add to your profile relating to being experienced is maybe talking about being happy to see virgins or inexperienced men, maybe 'sex lessons'?
I also think being outcall only significantly reduces the number of clients so could you consider touring or booking a hotel room locally or even getting in on a working flat?