I forgot to say also water polo:
http://31.media.tumblr.com/3588a2002...zsno1_1280.jpg
I think definitely not the right image:
http://guycodeblog.mtv.com/wp-conten...guy-speedo.jpg
CD to turn his eyes away :
http://1.blogspot.com-T6lfyTq5tH0/Tf...closeup+x2.jpg
(this was in fact a guy promoting Speedo Endurance by saying this is what used to be his swimwear before he found their wonderful new jammers).
An article with a girl's point of view (and with a strange anatomy perhaps as she refers to a kick in the balls):
http://www.mediocreathlete.com/swimm...g-is-bullshit/