[Plugin: WordPress SEO by Yoast] Facebook Open Graph

When a link to my website homepage is shared, the wrong image and description shows up on Facebook. When multiple people share my website, a photo of the pink google plus square image in the top right hand side shows up as the photo in the newsfeed. Along with the wrong image showing in each post that other people share of my website on their facebook, it always shows the wrong description of my website. Instead of a description, it actually shows a short description of a blog post I posted several days ago. Here is the description that shows in the newsfeed when sharing the homepage: “http://bestfriendsforfrosting.com/
Best Friends For Frosting
bestfriendsforfrosting.com
“If you’re a Top Chef fan, you may remember these glorious Bacon Doughnuts with bacon fat and chopped, toasted bacon in the dough. In season 6, Laurine used this recipe, seen here at iVillage when asked to present a dish based on a personal vice. Even if bacon isn’t exactly a vice for you, these [….”

My overall goal is, I would love for a adequate description of my website + a default logo image to show whenever my homepage is shared on Facebook. I would surely appreciate your help. Thank you!

http://wordpress.org/extend/plugins/wordpress-seo/