Admin Flush W3TC Cache works with the W3 Total Cache plugin. It simply adds an “Empty All Caches” option to every Admin page.

Download/Detail Here:

http://wordpress.org/extend/plugins/admin-flush-w3tc-cache/

• Adds “Empty All Caches” link to the top of every Admin page.
• Clicking the link clears all caches and returns you to your current page.
• No need to go to Performance options anymore, just clear the cache from wherever you are.
• Requires the W3 Total Cache plugin, so make sure it is installed and activated.