If you are an experienced graphic designer, you could create a wonderful resource site for webmasters like myself, and provide your own designs, as well as a wide variety of tips and information.
Possible content sections for your website:
Tips and how-to's
Free tools and resources
Web color rules
Logo and banner design
Employment leads and tips
Helpful magazines and books
Offer your services and designs
You can also join affiliate programs to generate another revenue stream from your site from affiliate programs, and sell advertising space on your site.