Here is a useful blog post by Robert Thomas on his Photo Blog Stop explaining how the blend modes in Photoshop work.
- The great photographers who inspire me have said:
"Move yer ass! Zoom with your feet! Don’t stand there with all the energy and dynamism of a house plant. Move! The world moves, constantly. You must move with it. Zoom lenses are nice, but they don’t replace your legs."
- Jay Maisel