Kite Runner topic: How is irony used to develop the major theme of guilt & redemption in the novel?

I'm reading the Kite Runner currently and I need help....How is irony used to develop the major theme of guilt & redemption? Im not asking you to write me an essay(lol unless you want too?)...but maybe a couple of sentences to start off with the intro...and a couple of notes on the rest. Have any ideas?? ----------------------------- oh, and btw I understand 10 isn't enough for this question..so u CAN RECIEVE 20 POINTS..by me posting an easy question[giving you the URL] ----------------------------- Thank you! :)