Guess the movie from the screenshot.

[Araval]

First pic rings a bell (that was a sort of cursed treasure), but damn I can't recall what movie it was

You're on the right track. The second one is from a dream sequence.

[Araval]

Third screen:

[paleologos]

"The Chronicles of Narnia: The Voyage of the Dawn Treader"
I have not seen any of the films but I know little of the plots.

[Araval]

Yeah, you have it!

[paleologos]

I have chosen an obscure image because the film is very famous.

Spoiler Alert, click show to read: 

[John Doe]

Top gun

[paleologos]

I didn't know that I could be a bard
Was really nervous that you'd find this one hard
You got the answer, now join my choir
Goodness gracious, great balls of fire!

[John Doe]

something easy

[paleologos]

I think I'll let someone else take that one.

[Pinarius]

The Thing (1982) ?

[John Doe]

No

[mishkin]

Aliens (1986)?

[John Doe]

Yes

[mishkin]

Spoiler Alert, click show to read: 

[Ukiah]

Creature from the Black Lagoon

[mishkin]

Right. Your turn

[Kilo11]

Given the amount of time elapsed, I hereby declare the floor open to whoever wants to post the next riddle.

[Ukiah]

Spoiler Alert, click show to read: 

[Ukiah]

Second hint:

Spoiler Alert, click show to read: 

[mishkin]

with the first hint I thought it was a western. with the second hint I'm totally lost.