Scriptrr Google+ profile widget
Google+ profile button from Google Webmaster tools
If you do not prefer third party tools then you can opt for this tool for the Webmaster tools of Google itself. This widget is also light on your bandwidth and is just a icon on Google+ itself with a link to your Google+ profile with an author or 'me' rel tag. You can decide the size of the button you will prefer. Get your plugin from here
Google cards is another official Wordpress plugin to insert a Google+ profile widget on your blog. This widget is very simple and user friendly as compared to the plugin by SVNLabs. This plugin ask if you want to give a credit link back to the plugin page or not and has the added feature of showing the count of people that have you in their Circle. This plugin automatically adjusts according to the size of the side bar and looks much tidier than the Scriptrr widget. The only setting here is to give your Google+ profile ID and you are done.
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