Candidate photos are slow to load

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Especially on mobile, the candidate photos are slow to load. Some of them are Megabytes:

$ du -sh * | sort -h -r
9.8M    Jody-London2.jpg.JPG
6.9M    Huber-Trenado.jpg
536K    Jody-London.jpg
352K    F-Matt-Hummell.png
272K    Jody-London2.jpg.png
244K    Ben-Lang.png
232K    nancy-sidebotham2.png
216K    Barbara-Parker2.jpg
200K    F-Matt-Hummell.jpg
200K    dan-kalb2.png
192K    Marcie-Hodge.png
184K    Viola-Gonzales.png
168K    Huber-Trenado.png
160K    james-harris.png
148K    Lynette-Gibson-McElhaney.png
148K    Barbara-Parker.png
144K    Michael-Hassid.png
144K    Hinton-Hodge.png
124K    Noni-Session2.png
124K    Kevin-Corbett.png
112K    Noel-Gallo.png
104K    Patricia-Ellis.png
100K    Dan-Kalb.jpg
44K     Margaret-Moore.png
44K     Barbara-Parker.jpg
12K     James-Harris.jpg

@elinaru do you think you can optimize them further?

If not, maybe we should consider a thumbnail version for mobile.