Lumion 7 has some great new features to make your materials look more authentic by aging them, which removes some of that sterile CG look and makes the materials look like they belong where they are. The results are authentic, realistic and aesthetically appealing.
Other materials features in Lumion 7 include a new materials favorites tab, materials translucency and transparency for materials. You can also add foliage to materials. This blog gives some tips and tricks about the new materials features, which can help you get better results, faster.
Above: Image showing aged materials effect on table and floor
Some of the impressive new materials possibilities are demonstrated in these tutorials:
Above: Image showing transparent materials
Above: Waxiness effect applied to a statue
For more advanced tips and tricks, Chris Welton has made this excellent tutorial showing some of the magic you can do with materials in Lumion 7 and how to get more out of some new features.