Hi,

I would like to know if is possible to change the main layout, in order to be able to upload an image, make some changes and then add to cart.

What should be changed for this ? To create a new template ?
I would like to know for both cases:
1) The upload field to be on main screen(homepage) and step 2 or 3, after upload to point him to add to cart.
2) display a product screen and then I want upload to be done before add to cart. I know the php and html required for this, all I need is to know how to be integrated into zencart as module, etc...

Best Regards,
Cris