Linux And Live Cd

u can burn the images to get a bootable cd... but make sure to make it a multi session so that u can add data later... it shd work i think..

I tried adding data to geexbox but wasn't successful. But, as for puppy, you can surely add data, even after burning the cd/dvd but make sure to burn it as multisession.

I don't know whether this will work or not but you can try out the method described below...

1) Open the image file in some iso editor software (winrar can also open iso image files).
2) Create a new folder named data.
3) Put everything you want in that folder.
4) Burn the cd.

Agree with subratabera.
But instead of using WinRAR, use WinISO to edit the image.
Just create a folder like Software or Other Data on ur HDD, copy all the contents (u want to add) to this folder.
Now open ur image with WinISO, and add the Software folder to it. Save the image & burn it using Nero.

If u r planning to burn on DVD then use UltraISO coz it supports larger image files.

but u can use isomaster in linux for editing iso's.