Well here are some pics of my fogger setup so far works very well. I have the water level perfect now so it runs for about 15 minutes then automatically shuts off. In one of the pics you can see on the left side of the bottle where I cut out a notch for the fog to go out of. The top is just tupperware top hot glued to the bottle and the cord runs out of the top. I have tried to post the pics on here but it never works so here are the links to them. When I upgrade to 30 or 40 gallon tanks I'm gonna do the skull Idea in both tanks I just don't have enough room now to put it in. I know my cage looks like a science experiment with all those wires running to it. Its not the best looking thing but it works great for what I need.
http://www.fullsizejeeps.com/jeeps/files//SDP 023.JPG
http://www.fullsizejeeps.com/jeeps/files//SDP 024.JPG
http://www.fullsizejeeps.com/jeeps/files//SDP 025.JPG