you have got the looks hun!
What exactly has the guy said he wishes to do?
Do you have to put money up front to have a photoshoot done?
If you do it, don't get undressed and really, if you are that concerned, take someone along with you and get them to be in the room with you
Don't put yourself in any uncomfortable situation and don't compromise yourself in anyway.
If you do go ahead, make sure you read the paperwork - so, if he takes photos of you and then uses them ... that you will get paid for that. Then, if he wants you to buy the photos - which, I'm thinking you don't wish to do, then don't sign anything that says you will buy them or pay for his time for the photoshoot.
If you talk to him, ask for a copy of the contract/waiver - whatever it's called out there.... scan it ... and show us. I'm sure there's enough USfolkises here that can tell you if it all looks legit.
If yer really think he wants to get in yer pants - keep walking away buddy!
If it's bothering you a lot - just say "no thanks" and don't think about it again.
Take care y'hear!