Zipslack is basically a non GUI version of Slackware. If you want a GUI, you may want to just install Slackware.
Here is a link for what you have.
You may be able to add a GUI, but it may not work right and will likely be harder that just installing the regular version of Slackware. This is really for use on a floppy or systems using a small hard drive.
If you live close to your ISP, you may want to visit and ask them if they can download the files and burn them to a CD for you. You will need to take some CDs of course. No freebies there.
Hope that helps.
Oh, good Linux link here.
Take you a while to read all that. Whew!!