I need help fixing my livejournal layout?

[Rose]

I found a layout online that i would like to use for my livejournal and it is made for livejournal accounts. I'm very new to this site tho and i can't figure out how to apply it. any pointers? iheres the link to the layout i want to use if this helps make things clear. i just can't figure out how to use it.

http://www.createblog.com/layouts/code.php?id=30827