diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index e6439031146..73d867e7141 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -4095,9 +4095,11 @@ class Product extends CommonObject
 	 * 	@param		int		$maxHeight		Max height of original image when size='small' (so we can use original even if small requested). If 0, always use 'small' thumb image.
 	 * 	@param		int		$maxWidth		Max width of original image when size='small'
 	 *  @param      int     $nolink         Do not add a href link to view enlarged imaged into a new tab
+	 *  @param      int     $notitle         Do not add title tag on image
+	 *  @param		int		$usesharelink	Use the public shared link of image (if not available, the 'nophoto' image will be shown instead)
 	 *  @return     string					Html code to show photo. Number of photos shown is saved in this->nbphoto
 	 */
-	function show_photos($sdir,$size=0,$nbmax=0,$nbbyrow=5,$showfilename=0,$showaction=0,$maxHeight=120,$maxWidth=160,$nolink=0)
+	function show_photos($sdir,$size=0,$nbmax=0,$nbbyrow=5,$showfilename=0,$showaction=0,$maxHeight=120,$maxWidth=160,$nolink=0,$notitle=0,$usesharelink=0)
 	{
 		global $conf,$user,$langs;
 
@@ -4196,15 +4198,39 @@ class Product extends CommonObject
 						// Si fichier vignette disponible et image source trop grande, on utilise la vignette, sinon on utilise photo origine
 						$alt=$langs->transnoentitiesnoconv('File').': '.$relativefile;
 						$alt.=' - '.$langs->transnoentitiesnoconv('Size').': '.$imgarray['width'].'x'.$imgarray['height'];
+						if ($notitle) $alt='';
 
-						if (empty($maxHeight) || $photo_vignette && $imgarray['height'] > $maxHeight)
+						if ($usesharelink)
 						{
-							$return.= '<!-- Show thumb -->';
-							$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?modulepart=product&entity='.$this->entity.'&file='.urlencode($pdirthumb.$photo_vignette).'" title="'.dol_escape_htmltag($alt).'">';
+							if ($val['share'])
+							{
+								if (empty($maxHeight) || $photo_vignette && $imgarray['height'] > $maxHeight)
+								{
+									$return.= '<!-- Show original file (thumb not yet available with shared links) -->';
+									$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?hashp='.urlencode($val['share']).'" title="'.dol_escape_htmltag($alt).'">';
+								}
+								else {
+									$return.= '<!-- Show original file -->';
+									$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?hashp='.urlencode($val['share']).'" title="'.dol_escape_htmltag($alt).'">';
+								}
+							}
+							else
+							{
+								$return.= '<!-- Show nophoto file (because file is not shared) -->';
+								$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/public/theme/common/nophoto.png" title="'.dol_escape_htmltag($alt).'">';
+							}
 						}
-						else {
-							$return.= '<!-- Show original file -->';
-							$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?modulepart=product&entity='.$this->entity.'&file='.urlencode($pdir.$photo).'" title="'.dol_escape_htmltag($alt).'">';
+						else
+						{
+							if (empty($maxHeight) || $photo_vignette && $imgarray['height'] > $maxHeight)
+							{
+								$return.= '<!-- Show thumb -->';
+								$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?modulepart=product&entity='.$this->entity.'&file='.urlencode($pdirthumb.$photo_vignette).'" title="'.dol_escape_htmltag($alt).'">';
+							}
+							else {
+								$return.= '<!-- Show original file -->';
+								$return.= '<img class="photo photowithmargin" border="0" height="'.$maxHeight.'" src="'.DOL_URL_ROOT.'/viewimage.php?modulepart=product&entity='.$this->entity.'&file='.urlencode($pdir.$photo).'" title="'.dol_escape_htmltag($alt).'">';
+							}
 						}
 
 						if (empty($nolink)) $return.= '</a>';