Still working!

One last thing i need to do - have posted it on the Jrox forum so copied below as someone here may have experience with it.

Setup all done after a weekend which isn't too bad!
The only thing is i want to set up affiliate links to individual product pages. I have tried using the method prescribed of replacing the "&" with "%26" but always coming up with page not found or no products.
The reason is that the affiliate id is getting appended (as it needs to because the shop is on a different server) to the end of the product URL so instead of products_id=2 at the end of the URL i get:

products_id=251232323123232302323230232323

Is there any way round this (other than moving servers!)