On Skarm, I'd reccomend changing it to Taunt, just because you said Taunt Skarm beats your team, why not just run a Faster version of Taunt Skarm?
Skarmory @ Leftovers
-Taunt
-Brave Bird
-Roost/Whirlwind(Roost imo)
-Spikes
This is all I can do for now, I'll be back later to get to the other...