This is something quite fun I found:
http://scenearama.woodlandscenics.com/SARTV.cfm
This is directed towards kids, but I must admit I found the video tuorials quite intriguing. Ok, no tanks, no soldiers. no PE and no plastic card, but still a very nice way of making scenery. I mean, look at Toms cave scenery, add a couple of Preiser's 1/87 figures and you have a great dio!
Ok, I wasn't too fond of his trees, but the rest looks really fine, especially for smaller scale.