The following tutorial describes how to add new proxy sources to Scrapebox, you undoubtedly are sick of the proxies you scrape using the internal proxy sources failing because of every scrapebox user and their dog hammering them to death. To this end I have a mega list of proxies which you can use which will increase your chance of success when doing automated commenting.
Watch the tutorial below to see how to use the proxy list and then download my list and get yourself some great proxies and better results with your blog commenting.