First try to find a product naming conversion
E.g
{product name}-{color}.jpg {product sku}-{color}.jpg Assuming that every product attribute has an image
<img src="/<?php echo $product->getName() . '-' . $this->htmlEscape($_item->getAttributeText('etickettype'))?>.jpg"> No need to do a if or case statement, if the image may not exist see Check if file exists before displaying in Magento PHP?Check if file exists before displaying in Magento PHP?