Help with Ads after first post...Width

[CarterMarkham]

I have added ads to the after first post template, but I would like to add a background and border to it like seen here...

https://vborg.vbsupport.ru/external/2008/07/88.jpg

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I figured it out. I took the source code from the site and added it to the ad_showthread_firstpost
Here is the code...
<div style="padding:6px 0px 0px 0px" id="adsense_inline">
<table class="tborder" cellspacing="1" border="0" width="100%" align="center">
<tr>
<td class="alt2" style="padding:1px" align="center">

And this is what it shows. On my 22inch wide screen and a 17 inch screen it shows the same, extended out further than the other tables. On my screen I can set it to 97% as long as the window is full screen, but if you shrink it, the table will still go outside the others.

https://vborg.vbsupport.ru/external/2008/07/89.jpg

Any help?

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Anyone? im sure someone knows...

[Princeton]

try ..
wrapping content with $spacer_open and $spacer_close