I think adding contributor icons would be a great idea. Many other websites have done this successfully. Also, adding a "DONATE NOW" button prominently at the top of each page might help. My guess is the majority of visitors here don't realize there is a non-profit foundation behind this board that could use some financial help.
I don't think Google ads would work, as Doug would have little say, if any, as to which vendors would be featured. Given the number of vendors selling junk survival gear, this would certainly seem to impugn ETS's integrity.
My $.02, and there's probably change left over... <img src="/images/graemlins/wink.gif" alt="" />
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"When I read about the evils of drinking, I gave up reading." Henny Youngman