Showcase is a premium (paid) WordPress theme created to power a CSS or web design gallery, which is also ideal for managing online portfolios and photo blogs. If you want to use WordPress as a web design gallery, Showcase is the solution you’ve been looking for. Beyond its core features, it comes with 5 different color schemes and 8 layout variations. It contains the following main features.

Features

• Custom Layout / Design to Display Gallery Images
• Hover Menu On Mouse Over
• 5 Different Color Schemes
• 8 Easy to Rotate Layout Variations
• Widget Ready Sidebars
• Search Engine Optimized Sidebar Titles

Pricing: Single ($70), Multiple ($280), Developer ($700), Credit Removal ($30)
Requirements: -
Source: http://www.wpdesigner.com/2007/09/10/showcase/