Step 1: Find your buttons. You can make them, or do a search and save the ones you like. I made mine and will be posting various versions of them for you on tomorrow's Made It Monday post.
Step 2: Upload your buttons to photobucket. Make sure that you've marked your album "Public".
Step 3: In your Blogger Dashboard, go to Layout and add a gadget. Choose HTML/Java Script as the gadget type.
Step 4: In your PhotoBucket account, hover over the first icon you want to use and click on the HTML code link to copy it. Paste this into the Blogger gadget box. Repeat this procedure for the other buttons. They all go in the same box.
Step 5: Click "Rich Text" and you should see your buttons. Highlight the first button and use the third icon to create a link. Repeat until you've added all of your links.
*Note: your email link is mailto:youremailaddress
Step 6: Save your widget and place it where you want it on your page. Preview your blog, then save the changes. You're done!