<td>
<span class=view_purchase>
{$image = $purchase->product->images|first}
{if $image}
<a href="products/{$purchase->product->url}"><img src="{$image->filename|resize:100:100}" alt="{$product->name|escape}"></a>
{/if} {$purchase->product_name} {$purchase->variant_name} {if $purchase->sku} (артикул {$purchase->sku}){/if}
</span>
</td>
Примерно так