Pretty small update, this isn't exactly one of the new full system images.
Here are the patch files, as revealed by kindletool.
Code:
" tar.vim version v29
" Browsing tarfile /home/eschwartz/Downloads/Kindle Hacks/Update_kindle_4.1.2/update-patches.tar.gz
" Select a file with cursor and press ENTER
000.prettyversion.txt.patch
001.ca-certificates.crt.patch
002.version.txt.patch
003.cacerts.patch
004.libcurl.so.5.2.0.patch
005.libsoup-2.4.so.1.3.0.patch