This website wouldn't be what it's now, if users and collectors hasn't shared Product Recovery sets and files from their devices. Below I've listed people who has helped in this journey:
theterminator93 for sharing many Product Recovery sets.
jronald for sharing T30 Product Recovery set.
/u/G0rd0nFr33m4n for sharing Kaby Lake R customization files.
/u/Langoor_ for sharing IBM Windows XP SP2 Americas wallpapers.
/u/phycent for sharing Coffee Lake wallpapers and theme.
/u/LenardG for sharing Coffee Lake wallpapers and theme.
/u/electromeat for sharing Whiskey Lake customization files.
/u/Sawnyo for sharing Coffee Lake-R customization files.
oranwolf for W700ds customization files.
Retro Stream Tech for sharing W755Cs files. Make sure to check their YouTube channel.
/u/InternetIsWorking for sharing files from Comet Lake-U generation device.
schmatzler for sharing IBM Windows XP pre-SP customization files from EMEA region.
Former IBM employee for sharing T30 EMEA wallpapers.
/u/Qcraft123 for sharing P-series Tiger Lake wallpaper.
/u/Typh123 for sharing all wallpapers from 2020 ThinkPad generation.
/u/ricetang for sharing Z Series (2022) wallpaper.
/u/keklmaowalao for sharing TransNote wallpapers.