An Iranian man holds a picture of Iranian President Mahmoud Ahmadinejad (L) and Iran's supreme leader Ayatollah Ali Khamenei (R) as others shout slogans during the weekly Friday prayers, the first since the start of the holy month of Ramadan, at Tehran University in the Iranian capital on August 28, 2009. Iranian President Mahmoud Ahmadinejad called in a speech at the prayers for the punishment of opposition leaders over the unrest unleashed by his disputed re-election.