Software for Watermarking Image Files?

[smartcard]

I am looking for a free or less cost tool that can watermark graphic images on a folder (many images at once). Please suggest me.

[Woz]

Thumbs Plus is one possibility, a client uses it for exactly that purpose.

Onya
WOz

[watercrazed]

I use fast stone resizer it works great and does alot more as well

[Tastatura]

GIMP is good and free