Код:
#pun-category1.category h2 {
 background: url(http://xmages.net/storage/10/1/0/5/5/upload/712354e9.jpg) no-repeat top center;
 height: 38px; font-size: 0 !important;
}
#pun-category2.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/b22b90e9.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}
#pun-category3.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/0b99d26d.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}
#pun-category4.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/287cf62d.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}
#pun-category5.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/9ef69c5b.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}
#pun-category6.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/24ba3c85.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}
#pun-category7.category h2 {
background: url(http://xmages.net/storage/10/1/0/a/5/upload/cb628105.jpg) no-repeat top center;
height: 38px;
font-size: 0 !important;
}

#pun-stats h2 {
   background-image : url(http://xmages.net/storage/10/1/0/c/f/upload/1a9dea2d.jpg);

1 порядковый номер категории. Для каждой категории свой код с своим номером.
ставить в Цвета style_cs.css под /* CS4 Post status icons