From 1999-2006 these pictures of official alt builds were included on the box or instructions, I can't seem to find them all in one place online and the older ones are very
LEGO 7250 Clone Scout Walker Instructions, Star Wars
7250 - Clone Scout Walker™ | Lego star wars, Star wars, Legos
LEGO 7250 Clone Scout Walker Instructions, Star Wars
LEGO 7250 Clone Scout Walker Instructions, Star Wars
LEGO 7250 Clone Scout Walker Instructions, Star Wars
LEGO STAR WARS CLONE WALKER #7250" 3-Sets, All Figures, 1 Instruction / i-20 | #218841188
1x LEGO Building Instruction for Set Star Wars Episode 3 Clone Scout Walker 7250 | eBay
LEGO 7250 Clone Scout Walker Instructions, Star Wars
Clone Scout Walker™ – 20th Anniversary Edition 75261 | Star Wars™ | Buy online at the Official LEGO® Shop US
LEGO 7250 Clone Scout Walker Instructions, Star Wars
Lego Star Wars 7250 Clone Scout Walker, Hobbies & Toys, Toys & Games on Carousell
LEGO 7250 Clone Scout Walker Set Parts Inventory and Instructions - LEGO Reference Guide