The following uses the cursor keys (arrow keys between qwerty and number pad) to move all Alts (but not main) forward, backward, and turning left and right, for as long as the key is pressed down.

Please note on the Alt machines I have my movement keys bounded to SDFE, rather then blizzard's default ASDW. You can change the below to however you like.

I notice you use the %idMain% and %idClone%, so you can just delete 3 of the 4 lines and change the remaining one from %wowidX% to %idClone%.

up::
KeyWait, up, D
#IfWinActive, World of Warcraft
{
ControlSend,, {E Down}, ahk_id %wowid2%
ControlSend,, {E Down}, ahk_id %wowid3%
ControlSend,, {E Down}, ahk_id %wowid4%
ControlSend,, {E Down}, ahk_id %wowid5%
}
Return

up Up::
#IfWinActive, World of Warcraft
{
ControlSend,, {E Up}, ahk_id %wowid2%
ControlSend,, {E Up}, ahk_id %wowid3%
ControlSend,, {E Up}, ahk_id %wowid4%
ControlSend,, {E Up}, ahk_id %wowid5%
}
Return

down::
KeyWait, Down, D
#IfWinActive, World of Warcraft
{
ControlSend,, {D Down}, ahk_id %wowid2%
ControlSend,, {D Down}, ahk_id %wowid3%
ControlSend,, {D Down}, ahk_id %wowid4%
ControlSend,, {D Down}, ahk_id %wowid5%
}
Return

down Up::
#IfWinActive, World of Warcraft
{
ControlSend,, {D Up}, ahk_id %wowid2%
ControlSend,, {D Up}, ahk_id %wowid3%
ControlSend,, {D Up}, ahk_id %wowid4%
ControlSend,, {D Up}, ahk_id %wowid5%
}
Return

left::
KeyWait, left, D
#IfWinActive, World of Warcraft
{
ControlSend,, {S Down}, ahk_id %wowid2%
ControlSend,, {S Down}, ahk_id %wowid3%
ControlSend,, {S Down}, ahk_id %wowid4%
ControlSend,, {S Down}, ahk_id %wowid5%
}
Return

left Up::
#IfWinActive, World of Warcraft
{
ControlSend,, {S Up}, ahk_id %wowid2%
ControlSend,, {S Up}, ahk_id %wowid3%
ControlSend,, {S Up}, ahk_id %wowid4%
ControlSend,, {S Up}, ahk_id %wowid5%
}
Return

right::
KeyWait, right, D
#IfWinActive, World of Warcraft
{
ControlSend,, {F Down}, ahk_id %wowid2%
ControlSend,, {F Down}, ahk_id %wowid3%
ControlSend,, {F Down}, ahk_id %wowid4%
ControlSend,, {F Down}, ahk_id %wowid5%
}
Return

right Up::
#IfWinActive, World of Warcraft
{
ControlSend,, {F Up}, ahk_id %wowid2%
ControlSend,, {F Up}, ahk_id %wowid3%
ControlSend,, {F Up}, ahk_id %wowid4%
ControlSend,, {F Up}, ahk_id %wowid5%
}
Return



Lokked