how do you bomb something you can't see!

Hi all
What's the best method do you think of bombing from planes which don't have a bombardier station.
I find it a bit difficult to judge things from the pilot seat. Is it just a matter of practice or is there a trick I'm missing?
Graeme
What's the best method do you think of bombing from planes which don't have a bombardier station.
I find it a bit difficult to judge things from the pilot seat. Is it just a matter of practice or is there a trick I'm missing?
Graeme