Okay, so... so far, I can only find three places to find Digitrax sound projects (the SPJ files... I have attempted to make my own, but that didn't work out in the least!)

The three places I've found are the Digitrax sound library, the Digitrax Yahoo group, and "https://groups.io/g/AnPRR".

Out of the three groups, I still haven't found something suitable for a 4-4-0 engine. (and before someone sends me the PDF that mentions the 0-4-0 at AnPRR, I would like to assure you, it hasn't been made yet... it's still a future project)

I need a bit of help with my TOMA design. The layout is in three modules right now. The layout basically consists of two loops with a short connection track between the two. The two loops have some track that branches off from each. 

1) Should auto reversing circuits be placed on the left module for each reversing loop that starts on this module?

2) Since there are multiple tracks branching from each loop, should a buss wire be used from the AR's and then feeder wires used to power the branching track?

I have a Digitrax  DCS 210 command station (Evolution) connected to a laptop through a Digitrax PR3.  I also have a Bachrus speedo connected to the laptop. I will be using JMRI Decoder Pro.

1. Should I program my locos on the speedo using a programming track, or use ops mode using main line power ? This is with speed matching in mind.

2.Should I use the programming track outlet on the PR3 for programming sound units? There is a 15 VDC power supply connected to the PR3 for this purpose.

i am planning on rebuilding my old athearn blue box sw 1000 an sw7 calf switchers.can i use the genesis repowering kit ? and what size wheels should i use for them?