I got this from writer/director/producer Mae South.
Find an icon for your website or blog. Here's a search for Facebook icons. Search by price/free, size, and license.
My Author Tool Bag features sites I use in writing, editing, and marketing. It's stuff I've found online. The usual caveats apply--no recommendations either expressed or implied, don't click on blind links, have a good antivirus, etc. You know the drill.