I guess your ranking didn't last long since it isn't up there anymore. I kinda figured this was that stuipid Digg.com technique
. The link won't last very long as demonstrated by the disapperance of your ad. It's better to use your energy on longer term marketing techniques.
Oh, I did a little research on your website also. It has NO rankings for any keywords of signifigance except for some misspelled phrases that get NO searches on Google. I also found a little tidbit on another website about it:
TrafficColeman.com SCAM