• Graphicxtras

Graphicxtras has the biggest collection of Photoshop compatible filters available on the web. Author of Andrew's Filters.

• Free Photoshop

Probably the best site in the Internet for finding reviews of Photoshop plugins and filters.

• The Plugin Site

The creator Plugin Commander and Plugin Galaxy.

• PC Resources

The Official home of the World Famous Filter Factory Filters.

• Filter Factory Tutorials

The complete guide to creating Photoshop filters.

• Website Design

A terrific site to find a large selection of templates and logos.  Each template zip file come with the template's PSD file, HTML and fonts.  They also offer Flash, multimedia and PowerPoint templates, as well as template customization, complete website design, website optimization, as well as other services.

• Website Templates

Free Photoshop also has a selection website templates also has over 3000 premium Template Monster Photoshop templates for sale at 15% of the normal price. With your Photoshop template purchase, you'll receive the PSD source files and fonts in a .ZIP file format. Website Template's templates come complete with the PSD source file with fonts, plus html files, jpegs, and are fully-compatible with Dreamweaver, FrontPage and most other html editors. They also have some logos and Powerpoint templates.

• AutoFX

In addition to developing some of the best Photoshop compatible plugins available, they have more than 3,000 royalty free seamless and full sized textures to download as well as an absolutely terrific collection of free designer fonts.  Look on the upper navigation bar under "download software".