To install Smiling Goat RSS Reader, download the install from:

http://www.smilinggoat.net/stuff.aspx

This runs an MSI install file. At time of writing this is version 3.0, and after the install you need to open the command prompt (Start > Run > cmd) and type:

c:
cd\
cd program*\common*\web server*\60\bin
stsadm -o addwppack -filename "C:\Program Files\Smiling Goat\FeedReader\smilinggoat.feedreader.cab" -globalinstall -force