How To Add Google Talk to Blogger

1.Log in to your dashboard--> layout- ->Page Elements 

2.Click on 'Add a Gadget' on the sidebar. 

3.Select 'HTML/Javascript' and add the code given below and click save.

<iframe width="234" frameborder="0" src="http://talkgadget.google.com/talkgadget/client?fid=gtalk0&relay=http%3A%2F%2Fwww.google.com%2Fig%2Fifpc_relay" height="350"> </iframe>

NOTE : If you want you can change width,height,...  in above code.

Now you are done.It look like this :