1) Download this .zip file, unzip and rename it to block-FlashChat_Users.php

Then, using your preferred FTP client, upload it to the blocks/ directory under your PHP-Nuke root. Please note that if FlashChat is not installed in a folder called "chat", then you may need to adjust the PHP code in this file.

src="chat/info_embedded.php"

2) Login to the PHP-Nuke administration area, and then choose the "Blocks" option, as shown below.

3) Scroll down until you see the following form:

In the Filename dropdown menu, select "FlashChat Users" and click on Create Block

4) Now, on the PHP-Nuke homepage, a new block will appear with the current users in you FlashChat rooms: