Ленча,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.input_type_radio .radio_attr_label span{
background-image: -webkit-gradient(linear, left, right, color-stop(0, #FF00FF), color-stop(1, #0060BF));
background-image: -o-linear-gradient(left, #FF00FF, #0060BF);
background-image: -moz-linear-gradient(left, #FF00FF, #0060BF);
background-image: -webkit-linear-gradient(left, #FF00FF, #0060BF);
background-image: linear-gradient(to right, #FF00FF, #0060BF);
color: #FFFFFF;
margin: 10px;
}
.input_type_radio .radio_attr_label img{
height: 15px;
width: 15px;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
$(function() {
$(".input_type_radio .radio_attr_label").each(function(indx, el){
$(el.lastChild).wrap("<span/>")
});
});
</script>
</head>
<body>
<span class="input_type_radio">
<input type="radio" name="jshop_attr_id[2]" id="jshop_attr_id26" value="6" onclick="setAttrValue('2', this.value);">
<label for="jshop_attr_id26">
<span class="radio_attr_label">
<img src="http://mike.zakaz-saita.com/components/com_jshopping/files/img_attributes/21.jpg" alt="">
Голубой с перекладинами
</span>
</label>
</span>
<span class="input_type_radio">
<input type="radio" name="jshop_attr_id[2]" id="jshop_attr_id26" value="6" onclick="setAttrValue('2', this.value);">
<label for="jshop_attr_id26">
<span class="radio_attr_label">
<img src="http://mike.zakaz-saita.com/components/com_jshopping/files/img_attributes/21.jpg" alt="">
Голубой с перекладинами
</span>
</label>
</span>
<span class="input_type_radio">
<input type="radio" name="jshop_attr_id[2]" id="jshop_attr_id26" value="6" onclick="setAttrValue('2', this.value);">
<label for="jshop_attr_id26">
<span class="radio_attr_label">
<img src="http://mike.zakaz-saita.com/components/com_jshopping/files/img_attributes/21.jpg" alt="">
Голубой с перекладинами
</span>
</label>
</span>
</body>
</html>