Alot of simsynth.
I did the same thing when i started out. I used all the simsynth presets i can use. (check out my old songs)
hmm.. Right Click a instroment and then click replace and click on 3OSC.
use 3OSC to make really synths and stuff instead of using all those pre-made riffs.
PM if you wanna talk or something. I'd be glad to help you out.