I am using this plugin MarketPress eCommerce at this link

Hi I am using this plugin MarketPress eCommerce at this link "http://premfatehfoundation.org/store/products/" and I am quiet happy with the features of plugin but a few thing I need are missing in that please help me for that. The points are as below:
1) I want to add Multiple Images for a single product.
2) Need to have product rating(out of 5 Stars) feature
3) Cart Pop Up Feature

Please provide me help for these points