Dr. Awkward said:"Have plain vanilla mind flayers got you in a rut? Does your beholder need some extra tentacles? Do you ever say to yourself 'why can't a dire ape spit acid-glue?' Well, have we got the solution for you! Coming this fall: The Book of Involved Templates. Listen to the following testimonials from actual gamers like you:
I already own it. It's called Advanced Bestiary from Green Ronin, and it's one of the Top 5 D&D supplements EVAR, IMHO. Cannot recommend highly enough.
"My evil druid was dull and lifeless until I started throwing the plant template on everything in the monster manual. Next week my PCs will fight plant aboleths, plant dopplegangers and plant Demogorgon!" -- Smedley P. Cruikshank
You've read my campaign notes!