Uff, man, Thanks so much for your help. I've made it!
I don't even know why it's working, but somehow it is! >.> Hopefuly it wont cause much lag when quite a few of those will be on screen. Now got to expand on it.
<img src="http://img19.imageshack.us/img19/833/quz7.jpg" border="0" />
Edit@ BTW, can I pull it of with families? As it stand, both container and spikes are in the same family.