I understand, though surprisingly I have done a pretty good job with some of my DIY attempts lately. I have the perfect site for you, but first, here is the member that was/is giving away that tank. I am not sure if it is gone yet, he talked about donating it to a school if no one took it...
You would have to go and pick it up
Now for the DIY, this is a great site that I just found and became a member of
The site owner Joey, has some youtube vids that are extremely easy to follow and understand.. Check them out but don't forget to come to tankoutlaws.com and register with us there, it will always be free to join our club and all members are created and treated equal