meh

It doesn't have that filthy dubstuff wobble sound. I suppose it doesn't have to sound like that to be filthy, but more distortion and it would sound wicked.

Assuming you're using fruityloops, you can make an effective wobble bass using an osc3 or wasp, with a fruityfilter and your choice of fastdist or overdrive or both, make sure the filter is before the distortion in the chain of effects, if you want to tweak the sound more put another filter after that effect chain also, and control the frequency of the mid band eq on the mixer. Use a limiter to avoid clipping when you using mass ammounts of distortion. For an extra touch, add a very very tiny hint of reverb or short delay before the distortion in the effects chain.

just some ideas..