Leopard always ran just fine on G4 iBook. I recently installed and ran XSlimmer, a program that gets rid of the junk in the OS and most other applications. I noticed an immediate difference in speed afterward. It's a great program. . .fast and easy to use. After it's done, it shows how much disk space was cleared. Also does this as application-by-application.
Isn't XSlimmer paid? Did you buy it?
You DO NOT need XSlimmer, it can be done for free with just one terminal command, ditto is the command.
Example:
sudo ditto --rsrc --arch ppc /Applications/System/Preferences.app /Applications/System/Preferences.app222
This will make a copy of your System Preferences with extension App222 with only PPC code in it, you can try if this works and if it does delete the original and rename Preferences.app222 to Preferences.app
This is just an example but I did it much easier and faster.
If you do the whole Application folder it will do it all at once.
Example:
sudo ditto --rsrc --arch ppc /Applications /Applications222
If all works well then delete the original Application folder, before you do though I recommend to get info on both folders, you can see how much space is saved.
It will take a bit of time depending on how many Applications you have in this folder, terminal won't give any output until it is finished.
Be aware that you may need your password with the sudo option.
Be also aware that NOT all Apps will work when slimmed down, Apple's Apps seem to be save from slimming down but some non Apple will not.
I wrote more on this in the sticky thread in PowerPC Macs, there is a lot more you can do to clean up your Mac, please read it.(For instance, my disc is completely PPC only, even System folder and kernel is PPC only.
If you do this on your whole system you can free many GB's on your disc.
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