The Big ImageBoard (TBIB) - alpha channel anatomically correct anatomically correct genitalia anatomically correct penis animal genitalia animal penis anthro anus backsack balls bent arm big butt biped bodily fluids border collie butt canid canine canine genitalia canine penis canis cashmere (cashmerix) cheek tuft collie dipstick ears domestic dog ear markings erection facial tuft fenn.perrox floppy ears fur genitals grey body grey fur herding dog hi res knot licking licking lips looking back male mammal multicolored body multicolored ears multicolored fur musk musk clouds narrowed eyes nude pastoral dog penis penis backwards penis tuck perineum pink anus pink penis presenting presenting anus presenting hindquarters raised tail sheepdog solo spots sweat sweatdrop sweaty balls sweaty butt sweaty genitalia tail tongue tongue out tuft y anus