Theodore like other contemporary icon painters are done in acrylics on dry plaster.
monastery | Monastery | Saint Catherine's Monastery | Shaolin Monastery | Gračanica | Gračanica, Kosovo | The Monastery | Tashilhunpo Monastery | Monastery of São Vicente de Fora | Klosterneuburg Monastery | Jerónimos Monastery | Chithurst Buddhist Monastery | Strahov Monastery | Scots Monastery, Regensburg | Jasna Góra Monastery | Gračanica monastery | Ganden Monastery | Drepung Monastery | Ugresha Monastery | St. George's Monastery | Sera Monastery | Mount St. Sepulchre Franciscan Monastery | Monastery of the Cross | Kykkos Monastery | Kursha Monastery | Horezu Monastery | Fulda monastery | Franciscan monastery of Široki Brijeg | Erdene Zuu Monastery | Bardan Monastery |
One of his more famous works was his commission to paint the entire church at New Gračanica Monastery in Third Lake, Illinois, a faithful replica of the original Gračanica monastery in Kosovo, which is listed on the UNESCO World Heritage List as an endangered example of medieval monuments.