It's disappointing every time I go to Glacier park that I can't find a nearby congregation to attend. Many are rabbis or teachers in South America, Africa, Australia and any other place. Many of these have experience like yourself. Of course knowing that does not really help you. All you need to do is write Jewish thought on the Parasha or any other source explain it in under 800 words and send it to all of the constituents.
People read their mail and even more so their faxes.
It is the most efficient way to touch many who are spread out. If you need help preparing material. I can supply much which I already have on my disk. According to my Herz Chumash, the purpose of the snake was to remind the Israelites of G-d's presence and control. When they were bitten by a serpant, they were instructed to look upon the snake.