Here is a fun little squad i ran last night and went 4-0.

General Kota
Aurra Sing
Lando DS
Mas amedda
R2 astromech
Wicket
x3 ewoks
x2 ugs
11 activations/150pts

Aurra can sit in LoS all day in most cases with her 28DEF in cover. Lando now becomes a base 20DEF with a base 11ATK, so he is a decent threat even without his opportunist. They can snipe at people while Kota sits in hiding ready to unleash his force bomb. On the ruined base, its really easy to get Kota to within striking distance of the other person. It makes them advance very carefully.

I have run a 200pt squad with 1 less ug and add a Felcor that has done well also.

I built this exact squad for a friend to play yesterday, right down to map choice. He did very well with it, only losing to me, but it was close until the end when it got very one-sided in my direction.

this suffers against moible shooters, from what I've seen, but does well against most other things... Vong would also give it fits, obviously.

Mobile shooters will only cause so many problems. Force immunity is the true bane to this squad. You set Lando and Aurra up to charge out and shoot while having Kota ready to pounce. On a lot of maps, Kota can stay pretty well protected before the burst and can get close to gambit at the same time.