How To Hack Blogger Beta Template

all of them who are using blogger beta templates have been trying to get three column templates and also tried to add javascript widgets above and below post.Here i will tell you the step to hack blogger beta to get three column templates and also to add widgets were ever you want.
These are the sample screenshots of templates build by hacking into blogger beta..

First Of all Choose The template Which u Want.Then just do the following........
step :1-

First u have to add the css for new sidebar with float:left

Step -2:-

next is to add left sidebar in the body content so u have to add the same code expect change the css file.

Step-3:-

Next is to modify showaddelement="yes"...which will allow u to add new javascript codes...

To arrange it perfectly u have to change the pixel arrangement in Css and modify based A u wish...