Please check the ImageGalleryPath property. Make sure the URL path of the Image Gallery exists.
Variables are not supported in configuration files.
You need to use the folllowing properties:
ImageGalleryPath
MediaGalleryPath
FlashGalleryPath
TemplateGalleryPath
FilesGalleryPath
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asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
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