Project Outline:

Create Drupal site(s) for my affiliate campaigns. Landing page will be display the copy and creative to the offer. Here's the structure of the site and what I'm trying to accomplish.
You do not need to know how to do everything, just your area of expertise. If you know how to do it all, great. If not, I'll outsource that portion to someone else, feel free to recomend
someone that you know for those parts you do know.

- Landing page will be generated dynamically based on the keyword from my Google Adword Adgroup.
- Site will be have 3 - 5 pages of content
- The landing page assosiated with that keyword will need to rotated / changed every 5 - days.
- Must be 100% XHTML/CSS valid
- The site must use semantic markup to improve SEO. This extremely important! Site will be ran through Semantic Extractor for structure.
- Modification of Drupal Theme

I have a program that can create Dynamic landing page but I've heard this can done in Drupal. I'm not sure. I also have some php code that can do this but I'm not well versed enough to do it.
Please decide what portion of the project you can do. Here are you options:

Modification of Drupal Theme
Make site 100% valid
Semantic Markup / Changing of non semantic markup code for SEO. Well define should will able to seen at http://www.w3.org/2003/12/semantic-extractor.html
Create script / programming to make the call-to-action portion of the first/landing page dynamic. Landing Page creative will be changed rotated every few day (as mentioned I have a program that does most of this)


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Please provide spefic details as to your experience and not just a default response. Please specify your exact experience and portfolio as it relates to this project.