In the Back Office menu select the preference to display Manufacture.
BO > Preferences enable “Display suppliers and manufacturers”, then edit products.tpl page (prestashop/theme/yourtheme/product.tpl) and insert the following code to view both manufacture title and logo on the products page. Also, Back Office > Preferences > Performance be sure to enable Force compile.
Bellow the “product name” is the name of manufacture and above the “more info’ section, is the logo.
Insert the following code:
line#125
<p>{$product->manufacturer_name|escape:’htmlall’:’UTF-8′}</p>
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<div class=”product_manufacturer”>
<a href=”manufacturer.php?id_manufacturer={$product_manufacturer->id_manufacturer}” title=”{l s=’See all products…’}”><img src=”img/m/{$product_manufacturer->id_manufacturer}-medium.jpg” /></a>
</div>
12/20/2012: I noticed when friendly url is selected, the image breaks.
01/17/2013: BO > Tools > Generators both Optimization & Friendly URL have to be disabled in order for the Manufacturer’s logo is visible and is clickable for user to view all of Manufacturer’s product line.
Resources
How to show manufacturer logo on product page, PrestaPortal: http://prestaportal.com/thread-437.html
PrestaShop forum, Manufacture Logo on Product Page: http://www.prestashop.com/forums/topic/32044-solved-manufacturer-logo-on-product-page/