Simply save the program (object) or source (physical file member - also an object) to a save file.
1. CRTSAVF FILE(MYLIB/SAVF)
2. SAVOBJ OBJ(PGMTOSAVE) LIB(PGMLIB) DEV(*SAVF) OBJTYPE(*ALL) SAVF(MYLIB/SAVF)
3. Download the save file (MYLIB/SAVF) to your PC.
4. Zip it up with your documentation and upload it to the JDELIST downloads section.

If you are uploading source, you can always copy and paste it to your favorite word processor. I might save you some time.

Place your system configuration information in your signature!