It's been a while since you posted this message and I was wondering if you were still interested in pictures that might have been taken by your ancestors?
There is a picture in my families photo album that contains the following information regarding the photographer:
Front: F. Woodcock, Douglas Head, I. of Man.
Back: F. Woodcock, Douglas Head, Isle of Man
PATRONIZED BY H.R.Y. PRINCE LEOPOLD DUKE OF ALBANY AND BY SPECIAL APPOINTMENT TO HER MAJESTY'S ARMY
Silver Medal Liverpool International 1886
Bronze Medal Liverpool International 1886
Let me know if you are interested