Random photo at the top of Products Page

I still can't seem to get rid of the random photo at the top of the products page? I went into my media library and deleted the photo it was showing, but it just generated a new one to use. They are not the first photos I ever uploaded so I'm sot sure where it's pulling them from or how I can get rid of it?

http://ahandcraftedwedding.com/shop/products/

I am also having a difficult time with the presentation, I make changes but they don't always seem to be reflected, even after trying new browsers or deleting the cookies. Sometimes the changes work, and other times it doesn't, which makes it difficult for me to know what's working and what isn't.