URGENT 4 Requests on a Virtuemart website

URGENT 4 Requests on a Virtuemart website Hello, Here are the request list : We sell BOOKS 1) Any new product we add, not working, or maybe it is pdf we cannot insert, our client nor very clear about this This happened since we updated Joomla version 2) Home page and product page, you need revert position name and firstname of author (of the book) 3) In each product page, we have a link to go to author page. But not working anymore 4) In homepage we have events list sliding automatically, we want add left and right arrows to be able to manually slide Thx