Amazon Keywords

This weekend I was playing with the keywords on my books to try and improve their search rankings. I did manage to get my book Radiant Shadows, Beginnings to get on the first page of results for Kindle in one category!
Looking at it though, I'm thinking that I could really use a more professional looking cover than the little handmade .gif I scribbled out one night back in 2014.
...
Ok, now I worked up a better one -->

I'm happy to Hear if you have any opinions on it.