I have them all the time.
This blog just lets me attach pictures to them.
You can see the kinds of things I think via http://www.tumblr.com/liked/by/greyparrot79.
I'm partial to...smallish breasts...natural bodies...facial expressions of pleasure and love...tender and intimate connections between lovers...sexy smiles and smiling sex. (I've also recently noticed that a nicely upturned butt gets my attention...)