Punch out

I love a straight clothed dude walking in on a naked dude like this.  He's so mad that he's willing to grab this little guy, even though he's completely naked, and put his hand on his shoulder (even if it's because he's going to punch him and needs to hold him still.)  He doesn't even care that this little guy's dick is right there in the open. 

Next step would be to throw him down and fuck his bare ass as punishment. 

Pants down straight guy

I love watching two guys share a girl.  Here the guy fucking couldn't even be bothered to take his pants off all the way, so they're just down around his ankles.  Meanwhile, his friend watches & helps while the girl rides his buddy.  From the look on this straight buddy's face, it's a pretty enjoyable experience.  And he couldn't even bother to get his pants all the way off. 

Massive double cocks

I love scenes of MFM sex where there's a guy on bottom with his dick in a girl's ass, with the girl lying face up on top of him.  Then the top guy fucks her pussy missionary.  I love this because it's kind of like the top is fucking both of them. 

Look at the size of that cock fucking them.  Jesus, both these bottoms are going to explode in a massive orgasm. 

Blow on the boat

I've jacked off to this picture about 100 times over the years.  I love pics of two straight guys getting blown by one woman at the same time.  It's almost like they are having sex with each other - they stand close together, face to face, and their cocks may even touch at times.  Best of all they have to look at each others' hard cock and watch each other come.  Fucking hot.