I found the Bulgarian Mint web site and wanted to share the pictures of their commemoratives.
"Bulgaria - Europian union" - proof silver coin, selective gold-plating, denomination of 10 levs, mintage 14 000

"Baba Marta" - coloured cupro-nikel coin, denomination of 5 levs, mintage 10 000

"XX. Winter Olympic Games-Torino,2006’’-proof silver coin with denomination of 10 levs, mintage 4 000

“St. Nikolai Mirlikiiski Chudotvoretz” - proof silver coin, selective gold-plating, denomination of 10 levs

“100 years of National Theater “Ivan Vazov” - standard, proof silver coin with denomination of 10 levs

Gold coin set “Athens 2004” " nine gold coin depicts nine sports and Baron De Coubertin, each with denomination of 5 levs

there are only two pictures of the coins on the site
World Football Cup " Germany 2006” - silver proof coin, denomination of 10 levs

“Virgin Mary” " gold bullion coin, denomination of 20 levs

I mailed them about their prices and I'm trying to reach my friends in Bulgaria:)