how i can adds to all theards?

[slappy]

All the code, and where it goes, is laid out for you in this Thread:

http://www.vbulletin.com/forum/showthread.php?t=123281

In Post #2 it shows you what to change the code to have it appear after the 4th Post.

<if condition="$post[postcount] % X == 0">

For example, if you want the banner to show every 4 posts, then you would change X to 4.

This is where the edits, shown in that Thread go:

Admin CP -> Styles & Templates -> Style Manager -> ? ? -> Postbit Templates -> postbit or postbit_legacy (depending on which layout you are using. Or both, if you have a user option to select which.

There may already be a Hack which does all the steps for you on vbulletin.org.

Again, check out the adsense hacks and do a search here for:

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Regards,