Table of Contents
- Introduction
- Installation
- Handling Challenger
- Virtual Servers
- Configuration Examples
- Modules
- Filesystems
- RXML Tags
- Graphics

  | · Introduction · Fonts · Image File Formats · Graphical Text · Business Graphics · Pike Image Module

- Proxy
- Databases
- Miscellaneous Modules
- Security Considerations
- Scripting
- Frontpage
- Upgrading
- Third Party Extensions
- Portability
- Reporting Bugs
- Appendix

Image File Formats
Challenger's graphical tags generate GIF images. Some tags use images as input, `<gtext>` can for example use an image as background. The images used for input can be in GIF, JPEG, PNM or PNG format.