As long as she doesn't turn out to be a total minger, not may guys will walk. After sorting your excuses with the other half, going through the hassle of arranging the meet, traveling to the location and locating the flat, most guys will just take whatever they get.
Little brain rules big brain once the sap is rising. That's why these girls get away with it. They know they can draw guys in with the pics, then 90% will stay anyway, even though they know they've been conned. I'm as guilty of it as anyone else.