Help in dock!! adding smart folder

[edpau]

I am trying to find out how to add a new smart folder onto my dock, u know those two folder next to the trash bin. I saw in youtube that u can add more of it. e.g. application, document, download etc. Hope u can understand wt i am saying and teach me how to do it

 

[swiftaw]

Just drag whichever folder you want from your finder window (not the sidebar) to the right hand side of the dock.

 

[bjb.butler]

You can right click (contol + click) on "Finder" in the dock, and choose "New Smart Folder"