so i need to put in my own supports then use the generator

What Are prefabs. if the are the premade supports then no.

I Have been trying to use it and i cant seem to get it to work, i know you have to drag and drop but when i do it just makes a copy of the file without adding the supports. ive asked a couple of people and they say it should work. are their any other support generators i could use instead of this on...

i don't know obama seems to be doing a bad job now but it seems like he wil get better.