This does not require MWSE, .
if you want, I'd like to test it then.
I may slow down the striders once I get the mechanics all worked out. The jerkiness mainly happens because they are set at something like 650 speed, so the animations go very quickly.
SInce the animated legs are not seen during the travel here, I thought we could try using another model, that has movement, but no animated bones.
http://arcimaestroantares.webs.com/SSNoAnimatedLegs.zip
This model just moves forward, and has only a main bone. Maybe this can help. Then, you may use a model with animated legs, as a silt strider that travels along other routes, walks slower, and that the pc cannot use.
About the attacks, I think the best option, is to use the ToggleAi command during the travel.