Constraints

Redesigning a site for a Danish travel-agent, with a lot of constraints:
Access to hi-res imagery is limited, or non-existent, so I'll have to make do with a lot of small images.

There's a lot of content on the site, organized in three levels - Main section > Secondary category > Tertiary category.
Sub-navigation thus have to be done vertically, as opposed to a regular horizontal layout in the main nav. Will post a rebound with a take on this.