How do you back comb hair? its reli urgent :D?

hey evry1 ryt im goin 2 ths gig thing on saturday and im so bored of having my hair straight all the time and plus i kinda have 2 impress this lad lol so i cnt jus luk as i wud usualy! so does any1 out ther have n e 1 gd modern ways of doing hair lyk back combing n quiffs and loose curls and stuff lyk tht if u can help me and give me tips on hw 2 do it it would reliiii help alot my hair is veryyyy ong its dwn 2 my bum so i need 2 do sumthin different pls help xxxx