'Tis [Almost!] the [Gluten Free] Holiday Season
I think a combo of Pamela's lemon cookie crumbs and coconut would make an awesome crust. I might try combining the two and follow a classic crumb crust recipe.
For a beautiful pie crust made with gluten-free oatmeal, check out Susan's Oatmeal Cookie Crust at FatFree Vegan Kitchen.