Like Button - Facebook Developers

Like Button - Facebook Developers: "Attributes

href - the URL to like. The XFBML version defaults to the current page.
send - specifies whether to include a Send button with the Like button. This only works with the XFBML version.
layout - there are three options.
standard - displays social text to the right of the button and friends' profile photos below. Minimum width: 225 pixels. Default width: 450 pixels. Height: 35 pixels (without photos) or 80 pixels (with photos).
button_count - displays the total number of likes to the right of the button. Minimum width: 90 pixels. Default width: 90 pixels. Height: 20 pixels.
box_count - displays the total number of likes above the button. Minimum width: 55 pixels. Default width: 55 pixels. Height: 65 pixels.
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