At 1:25:31 Broddick rips off his shirt with no justification other than to show off his physique.
Within minutes of the boa and the python mating (a biological impossibility for two distinct species) the big game hunters find the boa's eggs. That's an incredibly short gestation period.
At 1:23:09 Broddick takes a cigar out of the mouth of a total stranger, and puts it in his own mouth to smoke. Very unsanitary.
At 1:30:10 the convoy passes a road sign reading "PHILADELPHIA I76" with "I76" meant to represent "Interstate 76". In the US all interstate routes are identified by the interstate logo: a blue and red shield with white lettering.
Tex's pick-up truck is a, 1988 Chevrolet K-Series.