Inexpensive craft store frames fit perfectly around light switch covers! --I like the LOOK Expensive (but not really BE expensive! -- 31 Easy DIY Upgrades That Will Make Your Home Look More Expensive--
Naturally Repair Wood With Vinegar and Canola Oil for super cheap. Use cup of oil, add cup vinegar, white or apple cider vinegar, mix it in a jar and then rub it into the wood. You don’t need to wipe it off; the wood just soaks it in.