Google Hangouts are a great place to "meet" Loomies! They're always "hanging' around. (see what we did there?)
Settings
Open up the Setting pane
Camera Setup
Select the LoomieLive camera.
Speaker Setup
Select the speaker you'd like to listen from. Ideally these are your headphones, such that your Loomie doesn't to lip-sync to the audio of others on the call.