This is just showing how I currently have my dock setup for easy use & quick access to many applications that I use on a regular basis. Also I have it set up where my alias do not show the arrow mark or image which I will provide you with that code below, which needs to be done in terminal.
$ cd /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources
$ sudo mv AliasBadgeIcon.icns AliasBadgeIcon_OFF.icns
$ killall Finder
Change it Back:
$ cd /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources
$ sudo mv AliasBadgeIcon_OFF.icns AliasBadgeIcon.icns
$ killall Finder
Mouse Over effect:
defaults write com.apple.dock mouse-over-hilte-stack -boolean YES
killall Dock
Change YES to NO to revert it back then type
killall Dock
