I’ve restarted working on this more actively. Things can change anytime, as I’ve not yet found a damned job (Italy is just doomed).
I’m using this edit to experiment and try different changes.

Top: original.
Bottom: edited.

Slightly increased contrast, removed blue-ish tone, added slight glow to reduce puppet effect on SD, added sun, replaced Endor.

Slightly increased contrast, removed blue-ish tone, added slight glow, added force fields.

Slightly altered color, added force field and added floor reflection (missing in previous versions).

Lowered image and replaced Jabba’s palace and sky.

Improved hologram and replaced beam. Slightly recolored background.

Replaced Jabba’s palace and sky.

Replaced background, recolored image, added sunlight to match new background.