I've downloaded neatupload and try it at vs2008. It seems that multiple file upload is not working and displayed as single file upload instead of pick files button. Also there are some errors happen with progressbar and unloadconfirmer with VS2008 too. do you have an updated version of neatupload to solve this problem?
The most recent version is always available from the download section of the NeatUpload home page. Make sure you follow the installation and usage instructions in the manual. If you still have problems, please post a detailed description of what is happening, including the full text with stack trace of any errors you are seeing and the versions of NeatUpload, OS, webserver, and browser you are using.