If you find products where you have the RC5 commands for the product, you can create a TPF file that looks like this.
You can find and download an example on a complete Pronto TPF file here.
[CreatedBy]
Name=Jacob Rungwald
Email=jacob@rungwald.dk
[Product]
Manufacturer=Busch-Jaeger
Model=6010-25
Comment=
Category=SetTop Box
[Signal_M1]
IRProtocol=RC5
Address=30
Code=51
Comment=M1
RC5 is the simplest of the TPF files, since there is only 2 keys that is regarding the IR protocol. The Address and the Code.