Create zip one per file with password - input this at automator

zipfiles

tell application "Finder"
	set theItems to selection
	repeat with _a from 1 to (count of theItems)
		set theItem to (item _a of theItems) as alias
		set itemPath to quoted form of (POSIX path of theItem)
		set fileName to name of theItem
		set theFolder to POSIX path of (container of theItem as alias)
		set zipFile to quoted form of (theFolder & fileName & ".zip")
		do shell script "zip -rj --password YOURPASSWORD " & zipFile & " " & itemPath
	end repeat
end tell