Unable to install a new plugin

Greetings!

I tried to install the plugin, "HTML Email Templates" a couple of times, to no avail.

As an alternative, I also uploaded the unzipped file using FTP and copied the files to the newly created ".../wp-content/plugins/htmlemail" directory. Unfortunately, Wordpress's Plugin Directory hasn't located the directory for me to activate.

I'm certain I did something wrong. Help?

Thank you,

~Dave Manney