--- a/include/controller/ControllerBase.class.php
+++ b/include/controller/ControllerBase.class.php
@@ -266,6 +266,8 @@
 			}
 		}
 		$this->tpl->assign('requestvars', $getvarsmapped);
+
+		$this->tpl->assign('snapshotformats', GitPHP_Archive::SupportedFormats());
 	}
 
 	/**

--- a/js/tooltips.js
+++ b/js/tooltips.js
@@ -9,6 +9,46 @@
  */
 
 function initTooltips() {
+
+	$('a.snapshotTip').each(function()
+	{
+		var href = $(this).attr('href');
+
+		var content = '<div>' + GITPHP_RES_SNAPSHOT + ': ';
+		var first = true;
+		for (type in GITPHP_SNAPSHOT_FORMATS) {
+			if (!first) {
+				content += ' | ';
+			}
+			content += '<a href="' + href + '&fmt=' + type + '">' + GITPHP_SNAPSHOT_FORMATS[type] + '</a>';
+			first = false;
+		}
+		content += '</div>';
+
+		$(this).qtip(
+		{
+			content: {
+				text: content
+			},
+			show: {
+				event: 'click'
+			},
+			hide: {
+				fixed: true,
+				delay: 150
+			},
+			style: {
+				classes: 'ui-tooltip-light ui-tooltip-shadow'
+			},
+			position: {
+				adjust: {
+					screen: true
+				}
+			}
+		});
+
+		$(this).click(function() { return false; });
+	});
 
 	var project = window.location.href.match(/p=([^&]+)/);
 	if (!project) {
@@ -91,6 +131,7 @@
 			}
 		});
 	});
+
 }
 
 $(document).ready(function() {

--- a/templates/header.tpl
+++ b/templates/header.tpl
@@ -28,6 +28,12 @@
     <script type="text/javascript">
       var GITPHP_RES_LOADING="{t escape='js'}Loading…{/t}";
       var GITPHP_RES_LOADING_BLAME_DATA="{t escape='js'}Loading blame data…{/t}";
+      var GITPHP_RES_SNAPSHOT="{t escape='js'}snapshot{/t}";
+      var GITPHP_SNAPSHOT_FORMATS = {ldelim}
+      {foreach from=$snapshotformats key=format item=extension name=formats}
+        "{$format}": "{$extension}"{if !$smarty.foreach.formats.last},{/if}
+      {/foreach}
+      {rdelim}
     </script>
     <link rel="stylesheet" href="css/ext/jquery.qtip.css" type="text/css" />
     <script type="text/javascript" src="js/ext/jquery-1.4.2.min.js"></script>

--- a/templates/projectlist.tpl
+++ b/templates/projectlist.tpl
@@ -85,7 +85,7 @@
 	<a href="{$SCRIPT_NAME}?p={$proj->GetProject()|urlencode}&amp;a=shortlog">{t}shortlog{/t}</a> | 
 	<a href="{$SCRIPT_NAME}?p={$proj->GetProject()|urlencode}&amp;a=log">{t}log{/t}</a> | 
 	<a href="{$SCRIPT_NAME}?p={$proj->GetProject()|urlencode}&amp;a=tree">{t}tree{/t}</a> | 
-	<a href="{$SCRIPT_NAME}?p={$proj->GetProject()|urlencode}&amp;a=snapshot&amp;h=HEAD">{t}snapshot{/t}</a>
+	<a href="{$SCRIPT_NAME}?p={$proj->GetProject()|urlencode}&amp;a=snapshot&amp;h=HEAD" class="snapshotTip">{t}snapshot{/t}</a>
 	{/if}
       </td>
     </tr>