Any time you are seeking technical help, provide as many details as possible. What mods are you talking about? Describe the situation more completely: By "going backwards" do you mean the screen stutters or the bots actually walk backwards? Is this in battle? Etc, etc.
Most likely we will just point you to the specific mod's boards as they will know best about what is going on with their mod and likely have a support/help/FAQ thread stickied for such things. (And the Town Watch is only intended for Native Warband help.)