Michael Apuzzo, Nick May, Michael Hill and Brian Patacca in The Houseboy (2007)

Michael Apuzzo shows a full frontal and rear nudity in a sex scene with Nick May. Michael Apuzzo has a fairly big cut dick. Nick May shows rear nudity in many scenes throughout the movie, but no real front nudity. There are however several bulge scenes, where we can see how big his dick is and that it is circumcised. Michael Hill shows rear nudity in one scene, where he is standing naked on his belly next to Nick May. Brian Patacca also shows rear nudity when he leaves the bed. No front nudity from him.

Frank Ripploh and Bernd Broaderup in Taxi to the Toilet (1980)

Right at the beginning of the movie, Frank Ripploh is naked. We see his butt first, his hairy crack and hairy balls. Then a few minutes after, he shows us a great frontal of his uncut dick.
9 minutes in the movie, there is an interesting bathroom scene, as several guys are cruising the bathroom. We can see one guy's uncut penis. There is also a gloryhole with Frank Ripploh's stall and the next stall. The guy next stall is opening his butt chicks to reveal a hairy crack.
Another man comes next in that stall and puts his dick through the glory hole and we see Frank Ripploh touching it.
14 minutes in the movie, we see Frank Ripploh displaying his with a nice soft uncut dick, and putting a cock ring .
16 minutes in the movie, Frank Ripploh is getting a naked massage from Bernd Broaderup. After the massage, they hook up and we see bathing together and having sex.
30 minutes in the movie, Frank Ripploh is naked again, playing a a bed.
40 minutes in the movie, Frank Ripploh is hooking up with .... Frank Ripploh is hard, and we see the other guy sucking him. Then they 69, and we wee both uncut cocks hard.
There are also a few foot fetish scenes.
75 minutes in the movie, there is a watersport scene as Frank Ripploh is peeing in another guy's mouth.
80 minutes in the movie, Frank Ripploh is in drags.

James Franco in Sonny (2002)

In this movie, James Franco, a man whore, spends a lot of time completely naked. Unfortunately the camera does not let us see his genitals, but we get to see everything else at length...

Nikolaj Coster-Waldau in Nightwatch (1994)

Nikolaj Coster-Waldau is quite a twink. In this movie, he appears naked on his bed, and for a few minutes lies there, for us to admire. His cock is soft but pretty big and uncut. His body is muscular and his face is to die for! A lot of close up in this movie, so overall a good movie if you like Nikolaj.

Aden Young in Cousin Bette (1998)

Towards the end of the movie, Aden Young is making love to a woman after having spread chocolate over her. We get a very good view at Aden Young's ass and then briefly at his uncut dick. He gets caught by his father-in-law (played by Hugh Laurie), so he reaches for a pillow to cover his genitals and we only get a second to view his full fontal.

Robert Pattinson in Little Ashes (2008)

Robert Pattinson hangs out with Javier Beltrán. One night they are both swimming in their underwear and with the under-water camera, we can see their bulges. Then they kiss each other and it's very hot. We see them kissing again a few times after that.

Santiago Magill and Emilram Cossio in Don't Tell Anyone (1998)

We see Emilram Cossio's butt first as he drops his underwear in a lake, in front of Santiago Magill. Later in the movie, we see a full frontal of Santiago, as a woman washes his genitalia. His dick is then quite small as he is nervous. His dick is then half erect when he walks to the woman's bed. We can see his foreskin still covering half of his penis head. He is not very well endowed. There is however extended nudity throughout the movie, as he has sex with different girls and then boys.

Jai Courtney, Mike Edward, Daniel Feuerriegel and Ande Cunningham in Spartacus: Blood and Sand (2010)

In episode 8 of season 1, we get to see a lot of nudity. There is the much expected rear nudity of blonde cutie Jai Courtney. We see his butt as he is making love to a woman. We hope we will get to see front nudity from him someday. Episode 8 is also an episode where threee new slaves are brought in: Mike Edward, Daniel Feuerriegel and Ande Cunningham. We see rear nudity from the three of them as they need to be presented naked. They all three have nice butts. In addition to that, there is the much commented front nudity of Mike Edward. During that scene in the area where we see all three butts, we get to see Mike Edwards huge uncut dick. It's obviously a prosthetic. On the Blu-ray version of the show, there is an extra scene with front nudity of Mike Edward.