This SAAB JA-37 Viggen was painted on Frösön AB on 2004, the Monster (Dragon named "Storsjöodjuret" -Great lake monster) is the badge of the Jämtland Air Force Wing (the F 4).
Place the "Monster Viggen F4-46 IK-154" file in:
[...]\DCS World OpenBeta\CoreMods\aircraft\AJS37\Liveries\AJS37