need to get some edits and updates in my current magento website
we have developed in Magento Community Edition.
1. On the home page make the product of the month keep changin (slider) with testimonials
2 at the end of transaction where it generates a pdf which is like 2mb we need to reduce size and make it like 1mb or less if possible
3. Login with google account
4. When site loads signup for coupon first time visitor - it will be a pop
up with some text, fields and image
5. make a slider on home page : Featured products should be slider more 4 products will come