I create affordable premade covers which can be found here
. Costs are generally between $10-$50, depending on the time and effort of each, though normally on the lower side. They are made from pre-existing licence-free images.
If I have the time, I am happy to take commissions, though these are more expensive than the premade covers. I'm also always happy to chat about cover-related things, if you need advice. I can also be contacted through my website www.brhistokes.com
Below are my own covers, as examples: