When spying for naked guys the most suitable location is also nudist beaches. However it is not always so hot guys there, but hopefully you can find some male nudism movies and clips in the internet like here on malecinema.com
There is a site with nice idea of filming interviews with straight guys wanting to work in adult industry. The guys are showing off themselves and stroke looking in straight porn magazine until they cum on camera.
All of them do it for the first time and are hundred percent straight – a good chance to enjoy naked males for those who lie to spy for straight naked guys naked and masturbating.
Straight guy Steve is a muscle scaffolder who works high up on building sites. He is a manual labour hunk that wears a hard hat and harness and whistles at women as they walk past. View his amateur naked home videos at Rate These Guys!
Some more male hidden cam clips with nude male athletes in changing rooms and in showers. One of the hidden cams was spying secretly in a hollow wall near the showers in a athletes locker room catching different sportsmen showering naked with almost a hard-ons and then walking in the corridor passing the camera so you can see them all in a close-up.