Many Streetview images have low contrast. Now you can control the contrast of the images in the settings of Real Indoor and tune it to your desired value.
Normal Streetview image from the Col de Tourmalet (Stage 16 of Tour de France 2012):
Contrast enhanced Streetview image from the same location:
This feature works only in Chrome for now and requires to start Chrome with the option "--disable-web-security" - which you should only do for this individual Chrome instance. All other Chrome instances have to be stopped in advance. Because of the reduced security you should not browse other webpages with this setting.
Technical background: the contrast is calculated in the canvas where the Streetview images are loaded into. As the images come from a different site web security settings do not allow access to the image content which is why the web security settings have to be changed to allow the image manipulation.