1=upload the 4 files in folder upload to your forum folder 

2=  import the product-advertisementV2.3 ((yes to overwrite )) 
*** Header : 2 edits 

1= at the end add :  $ad_headerEnd

2= before :
<td align="$stylevar[right]" id="header_right_cell">
		<if condition="$ad_location['ad_header_logo']">$ad_location[ad_header_logo]<else />&nbsp;</if>
	</td>
Add :
<td align="$stylevar[left]"><center><if condition="$ad_headerLogo"><center>$ad_headerLogo</center><else />&nbsp;</if></center>

*** Footer 2 edits :
1= in top add :  $ad_footerStart

2= before :
<if condition="$show['dst_correction']">

add :
$ad_footerEnd

**** navbar  1 edit :
at the end add : $ad_navbarBelow