How do you find all that?
I already knew where the status bar was located in the CPC's memory, and how much memory it uses, so I looked at the final few bytes of the status bar sprite, reversed them, then searched for the reversed bytes in the DSK file to find out where the data for the status bar is stored on the disc.
I have written a BASIC program to convert the status bar and title screen to a format that can be inserted into the DSK file. It reverses the bytes and then saves 2 files for the status bar (
STATBARx.BIN) and 5 files for the title screen (
TITLESCx.BIN). You can extract these files using the
ManageDsk utility, and then use a hex editor to insert them into the DSK file at the appropriate addresses. It's slow, but it works.

I have attached a ZIP file containing a DSK file with the BASIC program on it, and PAL files for the status bar and title screen.
If you prefer to use a different title screen, you can use
ManageDsk to add it to the DSK file. However, if you are using
ConvImgCpc to convert the screen, make sure the 'Lock' box below each palette colour is ticked so that the order of the palette is preserved, otherwise it will not be converted correctly!