Not sure if solutions or speedcubing subforum.
Anyway, just practice doing it slowly first, and count the number of moves each time. Try to keep it at a constant low. Of course, if you're colour neutral, you'll be able to do xcross more efficiently BUT your F2L recognition will have to improve to recognize F2L pairs of every type and the colour scheme from every angle, so that'll take a while too.
lol, here to help ^_~