I was running TextExpander 2.5. If you upgrade to TextExpander 2.7 (the latest version), the Snow Leopard issues appear to go away.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I was running TextExpander 2.5. If you upgrade to TextExpander 2.7 (the latest version), the Snow Leopard issues appear to go away.