Web2Pic Pro can help you save complete web pages as images.

This is a utility which allows you to save complete web pages as images. You only need to enter a URL into the Address box, click the Start button, and Web2Pic Pro will capture full size web pages for you. Web2Pic Pro can generate a thumbnail for your web page. If you want to save a batch of web pages, Web2Pic Pro has a command line mode for you.