Here is some advertisement for a nice website that I just came across a few months ago and that I particularly like.
St. Mark Coptic Orthodox Church of Washington, DC is extremely proud to bring you OrthodoxSermons.org! By God’s grace, we are happy to provide the largest collection of Orthodox sermons in English on the web for absolutely FREE! Our goal is simple: to spread the word of God and the Orthodox faith to all the ends of the earth by offering a free and accessible database full of spiritually-enriching materials. Check back often as we promise to keep the site updated regularly.
Make sure to checkout the sermons by Fr. Anthony Messeh from the St. Mark Coptic Orthodox Church of Washington, DC he and his sermons are AWSOME!
Here is the link to his page: http://orthodoxsermons.org/sermons/fr-anthony-messeh
