Shocks or just a seat spring

Hey guys just swapped my doodlebug with a 6.5 with gov removed, straight pip, custom air filter, and rejet kit. It is AWESOME! So much fun. Only thing I hate is the bumps. How difficult and how much is it to put rear shocks on it? Should I just stick to a seat spring idea? Any DIY's would be great just can't seem to find it. Thanks a bunch!!
If a little fab work is not a problem the mono shock seat jdogg designed is awesome , I've done it on 2 DB's with great success , my second one I put some angle to the shock and I found it to be a much better ride , show us pics of what you come up with !!
Again jdogg gets the credit !!