To install Jomres Payment Plugins
1) To install payment plugins open jomres and go to the plugin manager.
2) Select plugin file and click install button.
3) Open frontend http://yousite/index.php?option=com_user&view=login and log into site as the admin user
4) Go to the front of the site and login as the admin user.
5) Once logged in as admin, open the Jomres extension and you will see the admin page.
6) Select Settings, then Property Configuration.
7) Next, select the Gateways TAB.
8) Click the payment plugin name to open the Edit Configuration page.
Set active to YES. If you want to use the override feature, click save without configuring the gateway. If not, configure and save.
9) To use the Override feature, in the admin area of Joomla, go to the Payment Methods->Gateways. Click Edit and configure the gateway.
10) Now you're all set. During checkout, you will see the option to select your gateway.