These are 9 of the trippiest 800x600 Desktopbackgrounds that you will find anywhere on the net.
The Funki One
Fingeco Corporation (ExterPassive.com)
CreatEmotionsTM
MoodBook Development
San Diego Screen Savers
Laslo Canady
CB - 2000
Andre Lackmann
4 Neurons
Kruchinin Aleksandr
CodeThat.Com
guiicons
Toggle Software
PC TechZone.com
Longonot Software
Ergosoft, Inc.
QwertyStudios
Software Store Products