[yocto] How to use Software support layers such as "meta-browser" in a yocto image?

[jack]

Hello, all!
Who can tell me how could I use the /Software support layers /that 
provided by http://www.openembedded.org/wiki/LayerIndex into my own 
yocto image? For example, how could I use "meta-browser" during image 
building?
Thanks!
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