why do all my renders look like this

[SnakeGB]

Hi,

when looking at the gallery i see some beautiful renders of room but every time i do a render it looks like this

http://www.mediafire.com/view/zd6e0889cki6v6i/kim.png

what am i doing wrong?

[hansmex]

Try to insert one or more white lights of 100x100x100 cm with strength 25% and 75 cm elevation in your room. You will see a big improvement.

[Puybaret]

If you bothered by the white shiny points (on the bed sheets and the curtains), modify their shininess to matt.