Getting the cloud effect like the modders requires two things.
2. Air flow
If you have a tank system and a coil around 1.5 ohms you have a chance at achieving the clouds you desire. But by using a low ohms coil and say a Kanger AeroTank you can get those clouds! The con of this is that with more VG your flavors are muted a bit. You will have to raise your flavor percentage a little more. How much? well that depends on your tastes. I personally start at 10 percent for a single flavor