There are a few outtakes from the white album, they were actually printed in the booklet of the 2004 remastered re-issue of the 1975 album, you can see 4 of the scans on my blog here:
http://goldduststevie.tumblr.com/pos...-outtakes-1975
And I do believe the second photo is part of the first photoshoot of the then new line-up of the band, that's the only photoshoot where Stevie's hair is still curly. There are several similar shots published, like these:
http://goldduststevie.tumblr.com/post/72753689238#notes,
http://goldduststevie.tumblr.com/post/38802824710#notes and WB Records used one of the shots for a promotional poster:
http://imgur.com/XwDAqUb
I would love to see some other pics from Herbie's estate!