This is one of my favorite conversions for my Lord of the Rings armies, which used a variety of parts and bits.
There are a few Riders of Rohan horses, a few Khandish bits and a Tomb Kings chariot!
I had to cut down both the carriage section and the pole about 1/2 inch each to get it to fit on the 60mm base, but it was well worth it! Here's a previous post that shows how this process looked:
The base was done to match my army display board, which I have shown in a series of posts:
This post shows the display board and both armies together, just before the Bilbo's Bash LOTR tournament!