Plum Amazing ( has released iWatermark Pro 1.1 for Mac OS X 10.7 (“Lion”). It’s an US$30 watermarking app for photographers that’s compatible with iPhoto, Aperture, Lightroom and more.

Version 1.1 — a free update for registered users — beefs up iPhoto and Aperture support. According to the folks at Plum Amazing, iWatermark Pro is now the only watermarking application to work direct within iPhoto and Aperture via a plug-in.