pshop cs.
open 2400x1800, resize for full version, unsharp mask, brightness/contrast adjustment, hues and saturation for color corrections, apply watermark, save for web w/ set quality, resize again for thumb, save for web w/ set quality...
assign files, folders, and ouput locations........and run it, can do 1,000 at a time.
most idiots think they "know" pshop, they don't know a thingggg.
FF