The new Facebook Like Button. Add and customize the behavior and appearance to you likings.
Give the post a custom field with the key "facebook_like_button", and the value "suppress". You can do this for as many posts as you want. If you remove the custom field, the button will re-appear on that post.
Make sure you have added a Facebook App ID. If you don't have one you can create one here Make sure the "Connect URL" in the Facebook Application Connect Settings has the same url as your wordpress site.
For any questions, comments or suggestions regarding the plugin please visit http://www.martinj.net