Parts for finishing Soma Doublecross build

[darksiderising]

I need an piece that goes on these nubs to act as break cable stops on the downtube. Where do I find these? What are they called?

http://img353.imageshack.us/img353/7418/bossfg8.jpg (http://imageshack.us)

I also need a stop for the front breaks.

This setup features the two things I need:
http://img508.imageshack.us/img508/272/dcxgrnhdtubenewstdop0.jpg (http://imageshack.us)

Thanks in advance for the help.

[Cynikal]

Mine came with my shifters or you can buy them from a shop.

[acorn_user]

Down tube cable stops.

[darksiderising]

Great. Thanks for the help. I got what I needed.