Alamoon Watermark 1.4 - Freeware tool to watermark and copyright images.
Free verson only allows you to process 1 image at a time. $29.99 to upgrade to pro version.
Visual Watermark 2.9.30b - Shareware tool to watermark and copyright images.
30 day Trial. This can use text or images as the watermark and has powerful features for positioning and sizing
your watermarks. $19.99 to upgrade to full version or $39.99 to upgrade to business version.