How Do You Straighten Your Own Hair?

I was just wondering because i just got a new straightener! How do you straighten it like this:

http://www.totalhair.net/hair-styles/Celebrity-Hairstyles-Women/Avril-Lavigne/Avril-Lavigne-022531.jpg

http://www.pollsb.com/photos/o/151274-straight_hair.jpg

Suggestion:

with a hair straightener

http://ghdhaircheap.com/pimages2/GHD-MK4-IV-Hair-Straightener-Pure-4.jpg

ghd's are good

so are CHI

http://www.graduatesweblog.com/wp-content/uploads/2009/09/GHI.jpg