Glad to know you got it resolved. 
To get the dotnetgallery works, your file structure should be as followings:
~/bin/DotNetGallery.dll, DotNetGallery.lic
~/DotNetGallery_Files
Yourphotosdirectory(you need assign the NETWORK SERVICE account write permission to this folder)
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx