for what its worth here is a list of every possible phallic image that I could find in the film:
cattle trucks in intro - horizontal phallus
sheep trailers - horizontal phallus
telephone poles, light poles and fence posts
solo pines on mountain
church steeple in Signal
Randy Quaid's nose
cigarettes
long neck beer bottles
thermoses
rifle barrels
shepherds staff at certain angles
axe handles by camp fire
spans of bridges at certain angles
camp fire stand extension
log furniture couch - horizontal phallus
whiskey flask at certain angles
cattle horns on skull in bar
stick Jack uses to beat Ennis's shirt in stream
Jacks legs while he and Ennis are on the slope declaring that they "aint queer:"
Jacks thumb on Ennis's face in TSII
blocks of wood Jack is chopping in the Uncle Harold scene
church windows in marriage scene
asphalt spreader handle in Timmy scene
Ennis's trailer - horizontal phallus
chimney on bldg in Signal
some of the table and standing lamps in various scenes
bull horns on bull in rodeo scenes
coors beer tap in bar scene
posts inside bars
long side burns
trombone slide in july 4 scene
fireworks going off phallus with ejaculation
necks on bass fiddle and guitars
microphone stands in bar/dance scenes
Jolly green giant display in food store
peanut cannister jars
tire irons
pot handles on stoves
satellite tower behind the Siesta motel that is a continuity error - thanks for the extra phallus film crew
hot water heater pipe in Almas apt
vacuum cleaner
ketchup bottles
almas yellow hair spray container
fleeting images of the real thing when the naked stunt men jump off the cliff
pole holding up the "Newsome" sign
Lureen's pens
fishing poles
ears of corn
knitting needles
carving knives
Monroes cigar
soft drink bottles
Old Rose phallus whiskie bottle in Ennis's crotch
phone booth
phone receiver in Lureens hand
broom handle outside the OMT home
posts in guard rails on stairs in OMT home
posts on OMT's chair
pellet gun in Jack's room
shovel handle outside Ennis's phallic trailer house
mail box post
wine bottle
extended kitchen faucets
that is all I can find with only one viewing.