Just drag the photo from iPhoto to your new mail. Be strong, there's a lot of good magic involved(; Also, iPhoto stores the pictures pretty conveniently as you

Just drag the photo from iPhoto to your new mail. Be strong, there's a lot of good magic involved(; Also, iPhoto stores the pictures pretty conveniently as you might expect: ~/Pictures/iPhoto Library. And of course you can copy the files out of there. And finally, you might want to get a screen that can fit a new mail and a finder window next to each other. A 13" monitor should do that just fine, btw(;