Heat oven to 350° F. In small, saucepan over low heat. Melt chocolate in milk, stirring occasionally until smooth. In, large, bowl, beat 1/4 cups sugar and butter until light and fluffy. Blend in chocolate mixture and vanilla. Lightly spoon flour into measuring cup, level off. Stir in flour and salt; mix well.
Using rounded teaspoonful of dough, shape into balls. Place 2 inches apart on ungreased cookie sheets. Make an indentation in center of each cookie. Fill each with scant 1/4 teaspoonful of the almond paste; press dough around filling to cover. Bake at 350° for 9 to 11 minutes or until set. Remove from cookies sheets.
In a small bowl, mix vanilla icing ingredients until smooth. For chocolate icing, mix confectioners' sugar, cooled chocolate, milk and vanilla until smooth. Dip cookies in icings as desired; allow excess to drip off. Decorate with sprinkles. Place on waxed paper; let stand until set. Store in airtight containers