Homebrew PCBs

Hi folks! 
As all of you, i'm trying to make my first PCB, too. And, as many of 
you, i too have problems. I tried several papers, (since i'm in 
Europe, i can't get a hold of those mentioned in groups, usually from 
USA), and most of the times some of the toner peels off, while last 
layer of paper is very hard to remove. I have measured temp on my 
iron, and it's about 230 degrees, so it is enough. I even tried with 
lower temp (about 200) but results were the same. 
So, i guess my next try is transparency. But, here i need some info, 
please. Like what do you do toi prevent transparency to crook 
(distort) from heat? Maybe by applying iron on parts and not on whole 
board? how long should all last? And would transparency work in 
laminator? 

Any of suggestions would be very welcome. 

Thanks! Paul, Slovenia