1) Dashboard --> Design --> Edit HTML --> Tick expand widget templates
2) tkan ctrl+F and cari code nie ..
h2 {
3) paste code nie , bawah code yg tadi tu ;)
background : url(URL KORANG);border-top: 1px dashed #000000;border-left: 1px dashed #000000;border-right: 1px dashed #000000;border-bottom: 1px dashed #000000;
4) done , save !
p/s : URL KORUNK tu , tuka an pd url background yg korunk na !