You create an ad block with the wizard from inside your adsense account. Once you select all the options, simply click on the get code option and paste the code onto your website. TomG.
Wondering how publishers like you into adsense! by the way dude... you can find helpful Adsense blog, forum and even support site! and if u really still have question marks around your head then try to watch videos on adsense channel at youtube.com make yourself more tired and search the answer by yourself as we all did! also what do u mean about affiliate url?? do u mean Ad unit code? or Refferals? or what?????.... Take it easy man and try to get more experience... you need it to have success in your business. good luck!