Walt was nice enough to share them here. Walt writes:
"It was harassed for a while by smaller birds, and it even frightened a duck enough for the duck to dive quickly to avoid attack [see below, top right photo]. The falcon rested for a bit in a tree then flew past the Pirie-Mayhood Tower, presenting me with some nice photos -- GREAT experience!"
BTW, they didn't used to call Peregrines "duck hawks" for nothing!
Entire sequence is below.