I change the colours in the palm - least visible. I am not really following any instructions, I just started knitting and picked up some stitches to amount to the 16sts the other finger has.
I found a site with some ideas about preventing holes:
Futuregirl Craft Blog
I am not too sure what method to use. I need to do it and see it to realize whether it works - I can't do things by just reading. So back to the "trial and error"-method