SocialEngine Theme Plugin

This plugin allows you to customize the look-n-feel for subnetworks, or user-levels, create different type of branding for your social network. You can also define unlimited template blocks which would show up differently depending on subnetwork’s users belong to.
Main features:

Ability to create unlimited themes
Ability to create template blocks for theme
Each subnetwork can be associated with [...]

SocialEngine Simply Refresh Template

Like its name, this template is very fresh, clean, simply, and just look nice.
Very easy to install, upgrade! Unlike other themes where upgrading SocialEngine later on after installing the template/theme is almost an impossible task!
Requirement

SocialEngine v3

Check out Live Demo