templates/senin_tema/overall_header resmin kodunu bul
mesela benim kodu göstereyim
[syntax="php"]<table width="97%" cellspacing="0" cellpadding="10" border="0"><tr><a href="{U_INDEX}"><center><img src="templates/subSilver/images/logo_phpbvb.gif" border="0" alt="{L_INDEX}"/></a></tr>[/syntax]
başına <center> sonuna da </center> koy yani
[syntax="php"]<center><table width="97%" cellspacing="0" cellpadding="10" border="0"><tr><a href="{U_INDEX}"><center><img src="templates/subSilver/images/logo_phpbvb.gif" border="0" alt="{L_INDEX}"/></a></tr></center>[/syntax]
gibi