All characters are tagged properly, use them to help you find what you are looking for:

Feral - (mostly) four legged babs
Anthro - Anthro babs, includes bipedal maybe?
Feline - All kinds of felines, includes big cats except I don't have any big cats yet
Canine - All kinds of doggos, includes foxes and wolves if I have them
Dragon - Dragons
Pokemon - Pokemon designs, includes fusion and non fusion
Species - Both open and close species
Closed species - Closed species only
Open species - Open Species only
Humanoid - anything that is humanoid, includes normal human
Winged - Design with wings
Starchild - Designs that are starry

X1 - Extremely tent that I might not trade
X2 - Somewhat tent
X3 - Not as tent but would still like to get something good from it
those without X1-3 tag are pretty much not tent