Install Group Fields from here http://gomoxiemedia.com/jomsocial-group-fields/jomsocial-group-fields.html

A module that displays a Google Map based on a UK postcode entered in a Custom Group field - Geolocation not required

• Map can be sized to suit template
• Map can be made clickable
• No hacking required - unless a new module position is required

Installation

1. Create a text field in JomSocial "Group Fields" remember its name.

2. Install the attached module

3. Set the configuration for the module, choose a position for it and enter the field name as above

4. Add the postcode for a group and browse to the group in the group list.

JomSocial Group Map Module Requires Group Fields from here http://gomoxiemedia.com/jomsocial-group-fields/jomsocial-group-fields.html
£9.99