The whole process in a video: Watch a video on how to do a quilt photo shoot
Lighting and more: Holly Knott, quilt artist and quilt book author on how to photograph quilts
Photograhy and website/blogging are issues that seem to be the most challenging for new designers. Designers are, by nature, interested in the quiltmaking process, and are not usually professional photographers or web designers. Consider these issues carefully before you decide to jump into pattern designing because they are the issues that will impact your sales the most (after the quality and uniqueness of your patterns).
There are companies that help new designers, such as Quilt Woman …(work in progress 2/18/09)