“ Faerie foods with unusual effects. Like faerie sausages that turn the eaters into wiener dogs, faerie wines that make the drinker whiny, etc. There's a table in Palladium Fantasy RPG which has a table of ideas.”
“ Real World: some Indians in the Amazon treat their eyes with a traditional potion applied with palm leaves. Brutally painful, the drug alters vision, giving the jungle's dense green walls greater texture and dimension. You could adapt this to desert or swamps, or other hard to navigate regions.”
“ Woodrats - In a fantasy realm of cooshee (elven dogs/cats) it is to be expected that there is some sort of elven vermin. These mercurial rats are lightning quick, and are capable of hiding in plain sight. Other than this, they have no special ability.”