Integration with existing sites and other CMS May 28, 2013
Match the look of your Zenphoto site to your existing site
This basically means to create a theme for your Zenphoto site to make it look like your existing site. For example by re-using HTML and CSS from it. Also please review our theming tutorial.
For WordPress specifially there are techniques available collected here:
For Wordpress specifially there are some third party Wordpress tools available.