Microsoft Research HD View (2+ Mb)
Description:
A toolset for creating panoramic images, that are browsed online in magnified view.
I Haven't fully tested the applet(s) as yet, but it does look promising.
Homepage:
http://research.microsoft.com/en-us/um/redmond/groups/ivm/HDView/
Installation Link:
http://research.microsoft.com/en-us/um/redmond/groups/IVM/HDView/HDInstall.htm
Photoshop Plugin - HD View Utilities:
http://research.microsoft.com/en-us/downloads/345a52c3-fe44-4045-94b4-4b26a93a907c/default.aspx
Screenshot of the Plug-in for Photoshop:
