mitchellhislop

This plugin ties into Foursquare’s remote tip/todo functions, which in turn allow a website operator to 
easily embed the buttons. It was developed by <a href="http://mitchellhislop.com" rel="nofollow ugc">Mitchell Hislop</a> of <a href="http://smcpros.com" rel="nofollow ugc">SMCpros</a>

WP-Foursquare Todo Adder

This plugin allows a publisher to easily add a foursquare todo button to a post.

Pär Thernström

MarsApril

** This plugin will no longer be updated. **
Show your 5 most recent checkins at FourSquare with this widget, including name, your comment, 
and a map showing where the checkin was.
The map size can be customized: one size for the latest checkin. And a different size for the other four.
Customiziable through CSS. Make it look the way you want.
<h4>Donation and more plugins</h4>
<ul>
<li>If you like this plugin don’t forget to <a href="http://eskapism.se/sida/donate/" rel="nofollow ugc">donate to support further development</a>.</li>
<li>More <a href="https://wordpress.org/extend/plugins/profile/eskapism" rel="ugc">WordPress CMS plugins</a> by the same author.</li>
</ul>

FourSquare Recent Checkins

A widget that show your 5 most recent checkins at FourSquare. And on a map too. It's marvelous!

WP-Foursquare Todo Adder vs FourSquare Recent Checkins