As far as affiliate URLs, that's up to the sponsors feed generator to include.
http://www.cockcruisers.com/atom/pac...?w=123&p=2&c=3
Here WebmasterID 123, Program 2, Campaign 3
The feed generator then includes this info in links where needbe. If sponsor
has a database of all their promo content then this is quite fast. However if
the feed generation is processor intensive it can always be PHP cached daily
with the querystring as the CacheID.
-Ben
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