private function getTilesForSearch($search)
    {
        $tiles = array();

        $userOccurences = array();
        $channelOccurences = array();
        $totalResults = 0;
        $r = r('@video_list')->setParameter('sort', 'relevance')->setParameter('search', $search);
        $searchTileId = DM_Tile::getInstanceFromUQL($r->buildURI())->getId();
        foreach ($r->getIterator() as $video)
        {
            $totalResults++;
            $tiles[] = array('id' => $searchTileId, 'video' => $video);

            $userId = $video->getOwner()->getId();
            $userOccurences[$userId] = isset($userOccurences[$userId]) ? $userOccurences[$userId] + 1 : 1;

            $channel = $video->getChannel();
            $channelOccurences[$channel] = isset($channelOccurences[$channel]) ? $channelOccurences[$channel] + 1 : 1;
        }

        // If one channel is represented in 50% of more of the videos in the result, do some special things with it
        if (current($channelOccurences) / $totalResults >= 0.5)
        {
            $smartChannel = key($channelOccurences);
            array_unshift($tiles, array('id' => DM_Tile::getInstanceFromUQL('/channel/' . $smartChannel)->getId()));
        }

        $relativeIndex = 0;
        arsort($userOccurences, SORT_NUMERIC);
        foreach ($userOccurences as $userId => $occurences)
        {
            $ratio = $occurences / $totalResults;
            error_log(DM_User::getInstance($userId)->getLogin() . ': ' . $ratio);
            if ($ratio >= 0.5)
            {
                // If user is represented by more than 50% of the results, put it on top of the search result
                $login = DM_User::getInstance($userId)->getLogin();
                array_unshift($tiles, array('id' => DM_Tile::getInstanceFromUQL('/user/' . $login)->getId()));
            }
            elseif ($ratio >= 0.1)
            {
                // If user is between 10 and 50%, add it to the search results between fourth and 15th position
                $pos = round(.5 / $ratio * 3);
                $login = DM_User::getInstance($userId)->getLogin();
                array_splice($tiles, $relativeIndex + $pos, 0, array(array('id' => DM_Tile::getInstanceFromUQL('/user/' . $login)->getId())));
                $relativeIndex++;
            }
            else
            {
                break;
            }
        }

        return $tiles;
    }