Animated flag graphics for Holy Roman Empire (until 1401)

Flag graphics are welcome. But please provide a link to www.flags-and-anthems.com as the source.

Waving flag of Holy Roman Empire (until 1401)

25 x18 pixels

29 x21 pixels

33 x26 pixels

35 x28 pixels

42 x33 pixels

48 x40 pixels

61 x52 pixels

73 x64 pixels