I've been making very occasional contributions to Wikipedia since August 2003. I used to regularly upload photos (mainly for pages on Russia), here are a few of them:

• 
  A museum, Kazan
• St Volodymyr's Cathedral, Kiev
  St Volodymyr's Cathedral, Kiev
• 
  St Volodymyr's Cathedral roof
• 
  Interior of St Volodymyr's Cathedral
• 
  Tretyakovsky Proyezd, Moscow
• 
  Komunalnaya Ulitsa, Tambov
• 
  Theatre, Tambov
• 
  Cranes on the Shenska River
• 
  Cherepovets railway station
• 
  View of old Riga
• 
  View from St. Peter's Church, Riga
• 
  Another view from St. Peter's Church, Riga
• 
  Oak tree at night
• 
  The roof of the Duoma di Milano
• 
  Napoleonic war heroes in St Petersburg Hermitage
• 
  Stairwell in a block of flats, Astrakhan
• 
  Astrakhan Kremlin
• 
  Ashdown Forest at sunset
• 
  Shalyapin Palace Hotel, Kazan
• 
  Building in central Kostroma
• 
  Church in Rostov
• 
  Kostroma Kremlin
• MTS central office, Cheboksary
  MTS central office, Cheboksary
• 
  Zero Mile stone, Cheboksary
• 
  Agricultural Academy, Cheboksary
• 
  Leicester Square, London
• 
  A baby sleeping
• 
  A tyre repair shop in Vologda
• 
  A church in Cheboksary
• 
  Chess players
• 
  A statue of Lenin in central Kiev

[
More of my photos on Wikipedia Commons]