Anybody here familiar with Python, specifically the GTK extensions?

I've got a py script that runs on a Linux box and creates an X window manager that allows the user to connect to an RDP server or shutdown the PC. I've extended it to allow connection to multiple virtual desktops, but the buttons for each connection and the shutdown appear in a single row, left to right. I'd like to stack them top to bottom.

Don't really want to learn an entire new language to accomplish this.. \:\( so - I'd appreciate a nudge or even a hard shove in the right direction. Have Googled the gtk and py sites, but it's not sinking into my kix-hardened skull.

I'll post code if anyone can help.

Thanks!

Glenn
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Actually I am a Rocket Scientist! \:D