I used Sketchup + photoshop to make this attic
you can see the flash version on my site www.thegoonies-movie.com (attic section )

The Goonies attic (sketchup + photoshop)

The Goonies attic (sketchup + photoshop)

The Goonies attic (sketchup + photoshop)

The Goonies attic (sketchup + photoshop)

The Goonies attic (sketchup + photoshop)

The Goonies attic (sketchup + photoshop)