Help with compiz-fusion on my Fedora8

[Caizq]

On my laptop ACER 2403NWXM (910GML chipsets), I got the following messeage when start compiz-fusion .

... executing: compiz --replace --sm-disable --ignore-desktop-hints ccp
compiz (core) - Fatal: No GLXFBConfig for default depth, this isn't going to work.
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0

The kernel is 2.6.25.6-27.fc8.

Compiz componets are:

compizconfig-python-0.7.7-5.fc9
compiz-fusion-plugins-extra-0.7.7-5.fc9
compiz-0.7.7-5.fc8
compiz-gnome-0.7.7-5.fc8
compiz-fusion-plugins-main-0.7.7-5.fc9
libcompizconfig-0.7.7-5.fc9
compiz-bcop-0.7.7-5.fc9
compiz-all-0.7.7-5.fc8
compiz-fusion-plugins-unsupported-0.7.7-5.fc9
compiz-fusion-release-1-1
compiz-kde-0.7.7-5.fc8

Here is my xorg.conf:

# Xorg configuration created by system-config-display

Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection

Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "us+inet"
EndSection

Section "Monitor"
Identifier "Monitor0"
ModelName "LCD Panel 1280x800"
HorizSync 31.5 - 50.0
VertRefresh 56.0 - 65.0
Option "dpms"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "intel"
#Option "XAANoOffscreenPixmaps" "true"
#Option "DRI" "true"
#Option "RenderAccel" "true"
#Option "Composite" "Enable"
#Option "AccelMethod" "XAA"
#Option "OpenGLOverlay" "off"
#Option "VideoOverlay" "on"
Option "Legacy3D" "true"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x800" "1280x720" "1024x768" "800x600" "640x480"
EndSubSection
#Option "AddARGBGLXVisuals" "true"
#Option "DisableGLXRootClipping" "true"
EndSection

Section "Module"
Load "dri"
Load "glx"
Load "dbe"
Load "extmod"
Load "v4l"
Load "int10"
EndSection
Section "ServerFlags"
Option "AIGLX" "Enable"
EndSection
Section "DRI"
Mode 0666
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection

I can't enable compiz. Any help will be appreciated