We have visited your website,you're using the HDflvplayer for wordpress. Regarding your requirements, you can achieve this by two ways.
1.By adding a new widgets in that right position and while clicking the link in the widgets it will play the particular video in the player .
2.You can add one video per page and by providing the page link in the right side of "your video archives section" by using the page redirect method. We can achieve.
For more details contact our support team by creating ticket in the following link : http://www.hdflvplayer.net/support/