If you are looking for installing packages on OpenSUSE 10.2, you would find this article useful. I particularly liked the option of using Smart. Smart is a popular package manager already available in OpenSUSE 10.2, just add the steps mentioned and you are ready to roll.
Read here about steps for Smart.
Once you do that just fireup smart available in the menu.
or type: smart –gui
This will give you a nice easy to use front end where you can browse/search for the applications and install easily.