Prestashop expert - wishlist module and other fixes

General information for the website: image licensing
Description of requirements/features: Hi to all.... sorry for my english... I will try to explain what we need.

We have a catalogue with Prestashop 1.5.6.0 and we purchased a theme: we have installed it and it works fine but we need to fix some problems (have a look at www.image-art-licensing.com):

wishlist module \ block --> it doesn't work. 
As you can see on product page, if you click on "Add to my wishlist" the link doesn't work in fact nothing happens (I think it should add the product on the right side wishlist block)

Request:
- fix the bug of "wishlist"
- give to clients the possibility to add products to wishlist also from product list page (with direct link just under the name of the product or with tooltip on image mouseover)
- once clients have added products on wishlist they should have the possibility to send the list (just with pruducts name) to the owner of the catalogue, from the website, by e-mail.


image of the same artist on "product page"
As you can see on product page, we have inserted a thirty party module "view other image of the same artist" (artist is the producer) to give to clients the possibility to have a look of all images of the artist they are already looking an image (product).

Request:
- we would like to delete the block "other products on the same category" and to replace it with the block "other image of the same artist"

grid view in category, subcategory, product lis pages and in search result page
Request
- we would like to give our clients\visitors to see all images on grid instead of list (we would like to delete the possibility to choose it --> it must be only grid view


Ok, I hope you understood every our request!
We need to know the best offer to do theese changes on our catalogue and how many days it will takes.

Many thanks to everybody.
Extra notes: