Homebrew PCBs

Hello,

I am trying to make a pcb using the toner transfer method and have a 
couple questions regarding it. I hope someone can shed some 
expertise on them for me.

1) I purchased the Staples picture paper and printed a pattern out 
on my Laser printer but I am unsure as to which side to print on. I 
am assuming that you print on the glossy side but after doing that 
and ironing it on a clean acetoned PCB the pattern seemed to 
transfer to it but its not as dark as I have seen on some websites 
and some traces are broken in the middle. My trace width is .020 
which is not that thin. So I thought maybe I am using the wrong side?

2) How long do you heat the paper for? I tried it for at least 1 
minute to where it was so hot it sizzled in the water. The back of 
the paper was turning yellowish from the heat but maybe it needs to 
be longer? It peeled off pretty easy and it left a whitish substance 
on the traces which I am assuming is paper. I scrubbed that off but 
the traces like I said are kindof weak.

Thanks again for all your help!