zen cart thumbnails and design

PIC mysite.j*g is my site right now im looking to have my product_info_display to look like the second pic site1.j*p i need my thumbnails to be smaller with a mouseover fuction..mouseover thumbnail medium size pic to display on main picture...thumbnails to be on top of main picture just like the site1.j*g right now when you click on medium pic a large pic comes up "slimbox zencart modification already install with image handler" if i have to create new thumbnails....no problem if you like to call the thumb from another folder is ok next i want my site to look like site1.j*g move shopping cart to the top right side just like that, have description and size chart almost the same way