Got the same reply today in a text "imgkey crap". tried to open in iphone,wouldn't open. Tried calling back the number, funny enough, uses the same area code your cell phone uses. No such number when trying to call it back. Glad people are posting this is a scam.
I got a text replying to a service I offered on craigslist.greensboro.org. Got the whole, "can you do this... (see pics) {pic-att}http://img-key.org/?photo=444SRK
The phone number was 336-792-1041 in North Carolina