The Namco × Capcom file IM_BG.FAC contains all scene backgrounds and items.
Backgrounds[]
物質界…空中都市群、外殻上空
Material World..."Group of Cities in the Air, High Over the Outer Shell" (Tales. And Gesellschaft from Rockman DASH)
第三の月の都(ザ・サードムーン)、エントランス
"Third's Moon's Capital" (The Third Moon), Entrance (Strider)
Gesellschaft (Rockman DASH)
ゲゼルシャフト号、会議室
Gesellschaft, Meeting Room (Rockman DASH)
Gesellschaft (Rockman DASH)
Gesellschaft (Rockman DASH)
Gesellschaft (Rockman DASH)
ゲゼルシャフト号、司令室
Gesellschaft, Control Room (Rockman DASH)
Gesellschaft (Rockman DASH)
ゲゼルシャフト号、倉庫
Gesellschaft, Storage (Rockman DASH)
Gesellschaft (Rockman DASH)
エデン内部
Inside Eden (Rockman DASH)
フラッター号、操舵室
Flutter, Pilothouse (Rockman DASH)
Guynie Toren (Rockman DASH)
Balkon Gerät (Rockman DASH)
幻想界 ピラミッド・エントランス
Fantasy World...Pyramid, Entrance (Walküre)
幻想界…ピラミッド、地下魔方陣
Fantasy World...Pyramid, Underground Magic Circle (Walküre)
Previous image (Walküre) + Dust Dragon (Lost Worlds)
Makai Mura entrance (Makai Mura)
神界…天空寺院、大巫女の間
Divine World...Sky Temple, Ōmiko's Room (Klonoa)
Sky Temple + Guynie Toren
神界…天空寺院、エントランス
Divine World...Sky Temple, Entrance
(Gun Survivor 4 + Klonoa)
Misc[]
M.L.S.I. (Monolith Soft, Inc.)
Items[]
"Deflector"? (Unused?) (Rockman DASH)
Yellow Deflector (Rockman DASH)
"Green Crystal Rod"? (Unused?) (Druaga)
"Blue Crystal Rod"? (Unused?) (Druaga)
"Red Crystal Rod"? (Unused?) (Druaga)
Yata no Kagami (Mirror, Genpei Touma Den)
Kusanagi no Tsurugi (Sword, Genpei Touma Den)
Yasakani no Magatami (Curved bead, Genpei Touma Den)
Mekki-Maru (Taki's kodachi, Soul)
Key dropped by Red Arremer Joker in Chapter 33
Third Energy data disks (Dino Crisis)
Swordian Chaltier (Tales)
Chō-han dices 1-1 (Chapter 7) (Shadow Land)
Chō-han dices 4-3 (Unused? Note: Those aren't from dice mini-game.)
Chō-han dices 4-6 (Prologue 3)
Chō-han cup (Shadow Land)
Otohime's Tamatebako (Chapter 14) (Shadow Land)
Mabo Curry (Chapter 44) (Tales)
Miniatures[]
This file also contains miniatures from all 100 background (plus 5 duplicated), but I don't see a reason to rip them. Just resize it, like this: