Played Svend in the Christmas Day start, bided my time, allied myself with the Scots and the French, then launched my bid to seize the throne of England the first time. Succeed in 1071, only to lose it 6 years later to William who had been biding his time in Normandy. In 1086, William dies, succeeded by William Rufus. 3 days after he dies, I again launch a bid for the throne, succeed, but having in the meantime returned to active practice of my Catholic faith, I abdicate and OTL Harald Whetstone is elected to succeed to the throne of Denmark. 2 years later William Rufus, meanwhile raises an army from his exile in Ireland (including IIRC a few Godwinsons ironically) and manages to curbstomp the Danes. 6 years later, William Rufus dies, leaving the throne to a 10 year old named Richard. I reinvade with the aid of the usual suspects (as well as a bunch of English mercenaries led by another Godwinson and a bunch of intimidating Russians led by a man named Boris. I succeed again, and things seem good for about 10 years. But then Harald III gets himself killed like a bitch in putting down a peasant rebellion (maybe he shouldn't have extorted his subjects?) leaving Denmark to his cousin, Niels. Danish peasants are brought back in line, just in time for Richard of Normandy (now 20 and with a reputation for having a sadistic penchant for mutilating people) leads an army of Normans, Irish mercs and a few Godwinsons and crushes the Danish and loyalist English at Winchester. Niels sees the writing on the wall and basically just does whatever he can to get away from Richard the fucking Serial Killer. And promptly turns his attention to acquiring Sweden, mostly by assassinating little children, supporting a mentally impaired teenager for the throne of Sweden, using the election process to be the front rinner to succeed him by murdering all my rivals, then just in time for his 16th birthday smother him in his sleep with a pillow.
I get the feeling that Niels is as bloodthirsty as Richard, but the difference is that Niels sees violence as a tool, while to Richard it's a pastime. Also, how slippery can the Godwinsons get? They've switched sides so often even Charlie Crist would think it too much.