Marsh Boys
A puzzled and straggly Josh van Meurs finds it is important to the director's vision of that he stands around in tight underwear bulging (very effectively (perfect for a low budget remake of Anaconda)) and cracking (not as well) whilst pretending to use a walkie talkie in the 'film' Swamp Freak.
And his slightly more dressed costar Nicholas Simmons did a lot of backpack work then looked out from behind a few trees in the 'horror' movie.