Leningrad - Good going clearing our Pskov by turn 6. The rail line needs to run thru there. Also, recon the straight shot to Leningrad but be sure to make a run around the east side of Lake Ilman. If you can cut the rail lines east of the lake all the way to Sviritsa then Leningrad is isolated and doomed. Slogging thru the swamps north of Novgorod is slow going and you can run out of time.
Moscow - the Sov situation there is not good, losing the north Dnepr line that quickly. Press on, encircle as many units as possible (evern 2-3 at a time, small pockets) because those propellers cannot dig trenches in front of Moscow. But in the end you will have to encircle Moscow to take it, hopefully closing the noose just before mud. Bryansk is a noce objective before mud but anything farther cannot be supplied into the blizzard, so get the XXIV Pz headed to Kaluga.
Odessa - be careful to leave a retreat hex for the unit there, so it can retreat out of the city and then be isolated/killed next turn. otherwise it will retreat to Sevastopol and you have to kill it again.
South - I'd make III Pz and XIV Pz to lilnk up at Churkassa and pocket whatever he leaves south of the Dnepr. Use the XXXIV Pzz to head for Dnepropetrovsk and then Kharkov.
Finally security. I'd be darn sure the Pripyet is clear of any Russians stray dogs and fully garrison all cities. Looks liek you are on the garison thing - I hate partisans.
Don't let up the attack until the turn before blizzard. Even in mud, keep attacking.
Destroy the enemy's army, then you can do what you will with his land, cattle and women.