Initial intention with the plugin was to use it with web projects etc, not for viewing large collections of huge images. There are better suited tools for that.
Latest release - 220.127.116.11 (nov 05, 2009)
Download using Update Site
Use the update manager from Eclipse to install the QuickImage plugin.
Update site: http://psnet.nu/eclipse/updates
1. Start Eclipse
2. Go to Help > Software Updates > Find and Install > Search for new features... and click Next.
3. Click New Remote Site and enter:
Name: psnet.nu plugins
Follow the rest of the steps in the wizard to install the plugin.
(If you are behind a company firewall, don't forget to enable proxy settings in Eclipse.)
Download using Marketplace
Since Eclipse 3.6 (Helios) it is possible to install plugins using a Marketplace Client directly from Eclipse. QuickImage is of course available there as well.
You find it in Eclipse under the menu Help->Eclipse Marketplace.... Search for "QuickImage"