Hi, Denver Dave!

If you issue the commands
Code:
sudo apt-get update
apt-cache policy openshot
apt-cache policy openshot-doc
you will see that the two packages openshot version 1.4.3 and openshot-doc version 1.4.3 are already available in the unstable distribution. It is possible to install them if you have a fresh install of Knoppix 7.0.3 CD. It depends on the requirements of the already configured packages whether openshot version 1.4.3 can also be installed on your system.
I would try the following commands
Code:
sudo apt-get update
sudo apt-get install openshot/unstable openshot-doc/unstable
You will get an error message if there are irresolvable dependencies.

I hope that helps.