Bang2Joom specialized theirself on the realization of templates and extensions for Joomla 3rd partie extensions, like K2, VirtueMart or redSHOP. Alfheim is a one of their template releases for K2. Its layout is very minimalistic. You can choose from multiple module positions or use the included shortcodes. The integrated portfolio layout looks fine. Two galleries, LITE or PRO, are available for your selection. Bang2Joom is native to Joomla 2.5. Its best suitable for portfolios or personal website.