The baroque steam punk vibe of signing a cheque to yourself, then depositing it to your own account by taking a photo of it with your handheld supercomputer...

The baroque steam punk vibe of signing a cheque to yourself, then depositing it to your own account by taking a photo of it with your handheld supercomputer... I must order some more cheques. I wonder if you could just fudge it with Photoshop (Gimp)? Could you get in trouble for forging a cheque to yourself?