IPMS Mid-Sussex on Facebook, here link to Facebook page which has photographs of shows, models at club meetings and members work in progress.
we share members with the Southdown Models Group, who also meet at Southwick Community Centre, see here for details http://southdownsmodelgroup.org.uk/
There is another IPMS Branch nearby, IPMS East Sussex, Hailsham & District Scale Model Club. see http://www.hailsham-district-scale-model-club.org/
There are many modelling websites out there on the web, the main UK based site is Britmodeller https://www.britmodeller.com/
Quite a few club members are there as well
More IPMS branches