how we can put banner in left and right forum?

[geevest.com]

Hello im using default style(Skin) for my forum.
Style vars : 80% for Main Table Width

how i can put my advertise banner in left and right forum ?
like this pics :
Contains adult content. Please contact author for link.

[SEOvB]

check out the ultimate side columns modification and see if this does what you need.

To do it like you've showed will take alot of custom modification to your skin

[geevest.com]

im already install ultimate side column.
but now the banner like this pic :


i dont want it.i want my side banner in red area.
can u help me? tq