If you want to prim up your decor, a simple way is to grungy up your candles. Here are a couple prim tutorials on how to do so.
This one, from Angie at Berry Homespun Primitives, uses candle wax and spices.
If you don't have any extra wax and you do have acrylic paint - as well as spices (or perhaps even coffee grounds?), you can try Rhonda's method at Blessed Prim Mamaw.
If you try it with coffee grounds or ground coffee, let us know how it turned out.