>>6463139From your link by row, left to right:
-Forerunner light rifle from Halo (BrickArms)
-UNSC Battle Rifle from Halo (BrickArms)
-Rey's blaster (BrickArms)
-"Corporate Shotgun" (Brick Warriors)
-DH-17 (BrickArms)
-DLT-20 (BrickArms)
-unidentified at this time
-"Advanced Recon Striker" ARC Trooper rifle (BrickForge)
-"Enhanced Warrior Rifle" M14 variant (Brick Warriors)
Links from here
>>64622781:
-unidentified at this time
-unidentified at this time
-DC-15S (BrickArms)
-Suppressed SMG from Halo (BrickForge)
-EE-3 (BrickArms)
-XM345 (BrickArms)
-"Skewer SMG" (Brick Warriors)
-A280C (BrickArms)
-E-11 (BrickArms)
-DL-44 (BrickArms)
-"Coreburner" Escape from L.A. rifle (BrickArms)
2 is the same in reverse, with a BrickForge compound bow and arrows added. The weapons from the pic are all Brick Warriors.
Weapons from
>>6462310 left to right:
-DC-15 (BrickArms)
-"Headhunter Quickshot" EE-3 (BrickForge)
-D9-AR District 9 rifle (BrickArms)
Hope that helps a little, gotta sleep or I'd dig a little more to try and identify the mystery ones.