Crunches are a really good basic exercise for the abs. You can vary them to tone the muscles but it really doesn't matter how many you do if you still have a layer of fat either beneath them or above them. No number of crunches will flatten that stomach.
The good news is that, if you continue to do the crunches, when you diet and exercise off the last of the wobbly bits you should have nice abs waiting to be exposed!
Sorry! I know this probably isn't what you wanted to hear. All I can suggest is that you continue to do various abs work, including crunches. If you want a whole load of abs exercises I could run through all the ones I teach in my various classes - but I'd need to e-mail some of them as they have little diagrams in them!