Irkalla
ENTP POWWWEEEEEER
Two suggestions, chosen after I searched a few Swedish web sites for period art/reproductions:
The stylized serpent, a common Norse motif, is here--
http://brisingasmycket.se/image/auto/2588.3.jpg
A period rock carving of a ship (no one would mistake THIS one for a unit icon!) is here--
http://www.basetool.se/ProductImage/46119/1000/3/64411/
What about a Serpentine Triskelion? Very nordic, yet different from Denmark's logo.