Wonderful work. Great job!
One observation I had was in regards to the worm on the Smiley Smile cover. Back when the album was being made (and indeed, throughout most of the 60's) cover slicks were usually produced to be longer vertically than horizontally. This was because of the need to have both mono and stereo covers, and in an effort to save costs companies like Capitol and, in this case, Brother would put their stereo (or, if necessary, whatever fake stereo process was being used) identifier at the top of the slick, so that they could crop it one way for stereo pressings, at the cost of losing part of the bottom, and for mono crop it another, so that the stereo designation could be hidden, at the cost of losing part of the top where it was. Smiley Smile was no exception.
With regards to reissues, they always seem to crop things differently each time, leading to varying results; some like the mono, some like the stereo, and some like the 1994 CD which is a weird in-between where they cropped it so that it has both the "For Stereo Phonographs" AND the worm.
) So these days whether the worm is on the cover or not is dependent on who's on the job that day and/or which version they're referencing.