Blogger to write about graphic design and web design.

We need technical articles about web design and graphic design. Each article is to be 500-1000 words, include images and be optimized for seo. Each article to be well written, interesting, genuinely helpful, insightful and informative. Articles to be written in english. Our readers are professional designers and appreciate "how to" articles about topics such as css, photoshop tools, wordpress themes, html, ...etc. The writer needs to have professional experience in graphic design and web design and the ability to write about it.
I would like to hire a freelancer on a per article basis. Please provide your desired rate per article.