Maybe of some use Chris?
http://www.sas1946.com/main/index.php?topic=38434.0
http://www.abpic.co.uk/search.php?page=0&q=Handley%20Page%20Hampden%20B1&u=type&sort=&limit=50
http://www.lincsaviation.co.uk/museum/the-brian-nicholls-hampden-restoration-project.htm
About half way down for this one http://mikesmodeling.blogspot.ca/2012/11/hp-hampden-v-wellington.html
http://www.warbirdsnews.com/warbird-restorations/handley-page-hampden-restoration.html
http://www.sas1946.com/main/index.php?topic=38434.0
http://www.britmodeller.com/forums/index.php?/topic/70233-handley-page-hampden-bomb-bay/
https://www.flickr.com/photos/39411748@N06/6339313393/
http://www.ww2aircraft.net/forum/album/black26-white-photos/p7229-handley-page-hampden-cockpit.html
http://forum.keypublishing.com/showthread.php?101575-HP-Hampden-detail-photographs-available
Hope there is something of use to you. Oh and Falcon make a canopy set. http://www.falconmodels.co.nz/clearvax/set08.html
James