Why not have the Plugin Manager have a list of all the availble Plugins for the current version and download them directly from geeklog.net to the site for installation.
For some reason when I download a plugin and upload it to my site sometimes I get a zip error. After I installed winrar the problem stopped even thoe I never unzipped the plugins on my pc.
Something like the
Didn't make it into 1.7.0 but it's not forgotten ...