Maybe something like this ? http://chdk.setepontos.com/index.php?topic=6105.0I think others have been made too. The camera clock time is available in script, so doing your own shouldn't be too hard either.
Started by Frida General Help and Assistance on using CHDK stable releases
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Started by mattkime « 1 2 » Script Writing
Started by bugsplatter Completed and Working Scripts
Started by bugsplatter « 1 2 3 » Completed and Working Scripts