No problem! I'd be happy to identify each of the wagons in the photo for you!!
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The Bogie Bolsters are an old payware model by the famous Cmburgess. Due to his generosity, I was able to acquire them during the TANE Era but they are no longer available to the public at large. Never fear though! Something tells me we'll be getting some new BR Bogie Bolsters sometime in the near future..
The Milk Tankers are as you have said - a new development by my good friend Barney Brass. Due to the prevalence of milk traffic on the Western and Southern Regions, I have long sought after some new 6 Wheeled Tankers for operations. These are Barney's beautiful response to that quest. They'll be coming to the DLC Store in no time so keep your eyes peeled!!
Finally the two vans at the front. The second van in the consist is an Ex-LMS Van built by Jupiter and is readily available on the Bunny's Branchline website. Although it's built primarily for TANE at the moment, it is a FANTASTIC van, and I hope it one day receives the PBR treatment much like Jupiter's outstanding locomotives. There is also a 5 Plank Wagon and an Ex-L&Y 20T Steel Sided Brakevan available on the site. Both of which are also available on Bunny's Branchline.
The final van is currently a WIP from Barney and a special gift to me. It is and EX-SR 12T Van built to Diagram 1428 and it currently comes in both Planked and Paneled Type A Versions. The Type Bs will also be done in the future! I am a heavy Southern Railway enthusiast and have been working with Barney on a whole new array of SR Wagons and rolling stock. In time, they will slowly start making themselves known and I hope you will enjoy them as much as I have!
Hope that clears everything up!!