In a large bowl, combine flour, baking powder, salt, and pepper. Add eggs and salsa; mix well. Stir in both corns.
In a large skillet over medium heat, heat 1 tablespoon oil . Drop batter into hot skillet 1 tablespoonful at a time and cook 4 to 5 minutes, or until golden, turning fritters halfway through cooking. Remove to a covered platter.
Add another tablespoon oil to skillet. When hot, repeat with remaining batter, adding more oil as needed, until all batter is used.