G-Earth instructions can be found here.
Walls
These are all available for download and to be imported into Habbo via G-Earth. These are all Builders Club assets unless indicated otherwise.
Many of them are available to be viewed here.
Blue Comfort
by Frequence
Blue Nook
by TomasAlright!
Blue Stone Peace
by Frequence
Blue Top Red Base
by Frequence
Brick Thread
by Frequence
Fenced Thai
by TomasAlright!
Green Checker
by Frequence
Industrial Base
by Frequence
Muted Paneling
by Frequence
Pop Grunge
by TomasAlright!
Regal Red Stripes
by Frequence
Soft Red Blue Base
by Frequence
Sound Proof
by TomasAlright!
Striped Oriental
by Frequence
Thai Paneling
by Frequence
Viking With Baseboards (requires HC walls)
by Frequence
Wet White and Blue
by Frequence