Yeah mike, i get why they seized them, but i dont think they will push to connect them to the weed, but i really think they have jumped the gun and put them in that photo.  The shotgun, 2 m16 and the mp90 in the back left of the photo. 
  
And for the record, im not a dealer or dodgy guy, im a nice guy who hasnt been in trouble, only growing so i dont have to go to dodgy dealers. 
  
The police cant say im dangerous guy connected to criminals, hence why they would be able to keep the guns