Resolution in the KDM

The KDM greeter was showing a bad resolution I just commented the line
and added the red line in /etc/X11/xorg.conf

Section "Screen"
Identifier "Default Screen"
Device "nVidia Corporation NV18 [GeForce4 MX 4000]"
Monitor "PHILIPS 107E"
Defaultdepth 24
SubSection "Display"
Depth 24
# Virtual 1400 1050
# 1280x1024 is the maximum resolution of the screen, according to the marketing info I found
# in the internet
Virtual 1280 1024
Modes "1024x768@60" "1024x768@43" "1024x768@70" "1152x864@75" "1024x768@75" "1280x960@60" "1024x768@85" "1280x1024@60" "832x624@75" "1400x1050@60" "800x600@60" "800x600@85" "800x600@75" "800x600@72" "800x600@56" "640x480@85" "640x480@75" "640x480@72" "640x480@60"
EndSubSection
EndSection

User Agent Switcher

This is a wonderful add-on for firefox that makes webpages believe that you are using in fact MS Explorer. This is really useful with some problematic webpages

https://addons.mozilla.org/en-US/firefox/addon/59

http://chrispederick.com/work/user-agent-switcher/

FireFox Alexa Toolbar User Agent Hack for MegaUpload and SexUploader

(taken from http://www.mydigitallife.info/2006/10/18/bypass-and-crack-megaupload-and-sexuploader-download-slots-and-size-limit-with-alexa-toolbar-hack/)

1. Download and install the User Agent Switcher extension for FireFox.
2. Restart the FireFox web browser after installation ended.
3. Go to Tools -> User Agent Switcher -> Options.
4. Then click on User Agents and then click on Add.
5. Key in the following information:

   Description: MegaUpload
   User Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Alexa Toolbar)

6. Exit by clicking on OK twice.
7. Whenever you want to download from MegaUpload or SexUploader, go to Tools -> User Agent Switcher and select MegaUpload as FireFox’s temporary user agents.
8. After downloading the files, you may want to switch back to original user agents, by selecting Default.