You don't have to display the PSA's if you don't want to.
Here's the info: https://www.google.com/adsense/faq#basics10
https://www.google.com/adsense/faq#basics11
For an actual example of how to do this here's some sample code from one of my sites:
Code:
google_ad_client = "pub-6955258227711929";
google_alternate_ad_url = "http://www.pencildude.net/banners/marketingtips.html";
google_ad_width = 120;
google_ad_height = 600;
google_ad_format = "120x600_as";
google_ad_channel ="9500724977";
google_color_border = "336699";
google_color_bg = "FFFFFF";
google_color_link = "0000FF";
google_color_url = "008000";
google_color_text = "000000";
(Had to strip out the js as it was rendering the actual banner -- still cant figure out how to post code here...)
Ooops! I think I misunderstood your question -- looks like you may know how to do this already... You want to know specifically about affiliate programs.
In that case -- head over to www.cj.com tons of choices for all sorts of sites.
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