If your Kobo reader has an external SD, you can start scripts form the SD. To start a script from the SD:
select "tools" > "external sd.msh" > "browse ext sd for scripts.msh"
navigate to your script and select it
This is an example script (copy_KoboRoottgz_to_kobo.sh) that copies the file KoboRoot.tgz to .kobo
Code:
cp /mnt/sd/KoboRoot.tgz /mnt/onboard/.kobo/
When your usb connection does not work, you could use such scripts to copy books to your device. Or you could update KSM 08 to KSM 09, or install Koreader, ...