Fraszoid

I've been playing UC on and off since it was released for free in January and it is great fun. I've decided to try my hand at a little modding, because I've always wanted to be a raider flying a carrier to attack transports. I have the GBS-III from the site, but it was listed under UC Gold so I'm not sure if it will work with the freeware version. I am looking at getting UCCE in the near future, but thought a little practice with GBS-III might not be a bad idea beforehand. Thank you in advance.