In var/stash/Themes.xxx/Glass Orb_iPad.theme, there are three folders: Bundles, Folders, UIImages.
Normally, when I'm changing icons on the iPhone/iPad, I usually drop the correctly-named icon into the Icons folder. Apparently, I showed my age when I asked the theme creator where the hell the icon folder is. He says that the old-school way of theming. Instead, I should drop the icon into the Bundles folder and follow the format there.
For example, if I want to change the Winterboard icon, I would drop the new icon here:
The only problem is, the icons are not changing. If the icon is named WinterBoard.png, or icon-72.png and/or icon.png (so that it's consistent with every other Bundles folder for the other apps), after respringing, the changes don't take effect. I don't remember the icon size off the top of my head, but I know it was matching the other custom ones that came with the theme.
What am I doing wrong?