Changing my PPC links based on the user search

If you search "Madonna Ringtone" Flycell will display (in Google search results) a destination url link like: FlyRinger.com/Madonna.
These seems like it would increase quality score alot and keep you from having to buy a seperate domain name for every artist you want to bid on. Buying BestMadonnaRingtonesintheWorld.com and all the different alternative for all the popular ringtone artists would be expense.
So I’d like to know if anyone here has a script or code or knows someone selling something that does the following.
– Adwords: I think I know how to get my adwords url to change but if anyone knows of where the detailed process of doing this is let me know. (For my own interest and anyone else who uses this forum.)
– PHP Code: Much like Free link cloaker allows you to use /recommends/whateverwordsyouchoose in your url I’d like to use the search terms displayed to bring up a […]

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