Exactly, the last photo is from the summit of Volunteer. Smedberg Lake is nicely framed by the surrounding granite and Sawtooth Ridge in the distance.
We encountered very few people (<30 the entire trip) and most were between Seavey Pass and Smedberg Lake along the Pacific Crest Trail.
Some more summit photos:
Rodgers Lake (foreground) & Neal Lake (background)
Benson Lake & Piute Mountain
North Peak & Conness
Sister Lake and Sawtooth Ridge