Directory /scripts/photo_gallery/tools

• ..
• genthumb.bat

Just put the batch file in the directory containing the pictures and launch it...

You can edit it if needed (generates thumbnails for jpeg pictures by default).

--------------------------------------------------------------------------------

William Denniss also wrote a very useful tool (Java JRE 1.4 required) that 
automates thumbnail generation and caption assessment...

GalleryMage's homepage:
http://www.omegadelta.net/tanksoftware/programs.php?&program=GalleryMage