This one?
Run at user login:
Define variables for plistbuddy path, current user, and destination file path
loggedInUser=/bin/ls -l /dev/console | /usr/bin/awk '{ print $3 }'
plistbuddy=/usr/libexec/PlistBuddy
plistfile=/Users/$loggedInUser/Library/Preferences/com.apple.finder.plist
Delete the existing cover-flow preview setting
$plistbuddy -c 'Delete StandardViewSettings:ExtendedListViewSettings:showIconPreview' $plistfile;
Delete the existing icon preview setting
$plistbuddy -c 'Delete StandardViewSettings:IconViewSettings:showIconPreview' $plistfile;
Delete the existing list icon preview setting
$plistbuddy -c 'Delete StandardViewSettings:ListViewSettings:showIconPreview' $plistfile;
Delete the existing column icon preview setting
$plistbuddy -c 'Delete StandardViewOptions:ColumnViewOptions:ShowIconThumbnails' $plistfile;
Delete the existing column preview column setting
$plistbuddy -c 'Delete StandardViewOptions:ColumnViewOptions:ColumnShowIcons' $plistfile;
Reset the cover-flow preview setting to off
$plistbuddy -c 'Add StandardViewSettings:ExtendedListViewSettings:showIconPreview bool false' $plistfile;
Reset the icon preview setting to off
$plistbuddy -c 'Add StandardViewSettings:IconViewSettings:showIconPreview bool false' $plistfile;
Reset the list icon preview setting to off
$plistbuddy -c 'Add StandardViewSettings:ListViewSettings:showIconPreview bool false' $plistfile;
Reset the column icon preview setting to off
$plistbuddy -c 'Add StandardViewOptions:ColumnViewOptions:ShowIconThumbnails bool false' $plistfile;
Reset the column preview column setting to off
$plistbuddy -c 'Add StandardViewOptions:ColumnViewOptions:ColumnShowIcons bool false' $plistfile;
Repair ownership on plist file
chown -R "$loggedInUser:staff" $plistfile
Note that existing .DS_Store files on an SMB share may override these defaults.
A cleanup of existing .DS_Store files in conjunction with the following lines may
yield better results. Comment the following three lines if undesired.
dsstore=/Users/$loggedInUser/Library/Preferences/com.apple.desktopservices.plist
defaults write $dsstore DSDontWriteNetworkStores true
chown -R "$loggedInUser:staff" /Users/$loggedInUser/Library/Preferences/com.apple.desktopservices.plist
Delete prefs/plist cache
killall cfprefsd
Restart the Finder
killall Finder
