Chaning the Store URL to the domain...

Hi, I would like to change the current set up of the slugs in marketpress...The current set up appears to be something like:

MyStore.com/store/products/name-of-product/

I would like to make it more like this...

MyStore.com/category/name-of-product/

That goes for other URLs as well such as

MyStore.com/shopping-cart/ etc

How do I go about doing this?