Pixels and dpi explained

www.ransen.com/Articles/DPI/Default.htm

Kodak’s Glossary of Photographic Terms

www.kodak.com/global/en/consumer/glossary/glossaryContents.shtml

Improving your photographic skills

www.takegreatpictures.com/

www.pmai.org/content.aspx?id=188

Camera Reviews

www.imaging-resource.com/

www.shutterbug.net/

Photoshop Help from National Association of Photoshop Professionals

www.photoshopuser.com/

Professional Photographer Associations

www.ppa.com/

www.wppionline.com/

www.ppofohio.org/