I painted up GZG’s 15mm fuel drums (type A) the other day.  They were easy to paint.  I primed them black, dry brushed on some gray, then a smaller dry brush of red-brown for rust.

I based them on some small wood rectangles, then glued some sand on the bases.  Then I washed the sand a sepia color, then dry brushed the sand with a tan.  When that was all dry, I brushed on some very thin PVA glue-water mix to hold it all together a bit more permanently. The I dry brushed some more tan, as I felt it needed a bit more.

That makes for some cheap and easy terrain. 🙂

In the past, I had assembled a card stock “print-and-fold” barrel, and it took a lot of time to cut the small bits out, and gluing such a small thing was tricky.  I think these metal barrels we easier, quicker, and much more durable.