Edd,
Please use the following 2 properties to achieve this result:
Uploader.ProgressBarBackgroundImage Property
Gets or sets the background image for the ProgressBar control.
Uploader.ProgressPicture Property
Gets or sets a progress fill picture for the ProgressBar control.
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