.wp_themeSkin span.mce_shtb_adv_insert {
	background: url("sh-tinymce-button-ins/shtb_img.png") no-repeat 20px 20px;
background-position:0 0
}

.wp_themeSkin span.mce_shtb_adv_codebox {
	background: url("sh-tinymce-button-box/shtb_img.png") no-repeat 20px 20px;
background-position:0 0
}