The below links will help you with the graphic design of your website:
Logo design marketplace which allows you to start a logo competition.
Online service that creates favicons for your website.
Adobe Kuler Colour Schemes
Community site from Adobe that helps you choose a colour scheme for your website.
Color Scheme Designer 3
Helps to create a colour scheme for your website.
FastStone Photo Resizer
Free app that does batch resizing of images. Can convert all images in a given directory to a uniform size.
Marketplace for leftover graphics.