spoiler:

LT 2: Die Hard 2: Die Harder
LT 4: Home Alone 2
LT 6: Léon
LT 7: Death Becomes Her
LT 8: Armageddon or possibly Con Air
LT 10: Tremors

spoiler:

In the Spiffy's #3 is Teenage Mutant Ninja turtles
#6 is UHF

spoiler:

Haha

I don't really have any guesses

spoiler:

Spiff's List
#8 - Hero
#9 - Gremlins

spoiler:

OK, the Turtles and Gremlins ones now make perfect sense. I didn't recognize the outfits of the guys in the van and thought that Mogwai's paws were... something else.

Spiffy #4: The Green Mile
Spiffy #7: Se7en

spoiler:

1. Go!
2.
3.
4.
5.
6. UHF
7. The Royal Tennenbaums
8. Hero
9. Gremlins
10. Three Kings

spoiler:

1. [strike]Blood Simple[/strike] Edit: Fargo!
2.
3.
4. Home Alone (2?)
5.
6. Se7en?
7. Death Becomes Her
8.
9. Bound
10. Tremors

spoiler:

1. Fargo
(Mrs Lundergaard attempts to phone the police as she is attacked by Buscemi and Stormare)

2. Die Hard 2: Die Harder
(John McClane tries a last-ditch attempt to warn the doomed airplane that they're going to crash)

3. Hannibal
(Lecter slashes one of the Italians who are trying to capture him and he flies backwards into chairs leftover from the lecture)

4. Home Alone 2: Lost In New York
(Daniel Stern as Marv is trying to turn on the taps to wash the paint off his face as Kevin fires up an electrical generator)

5. The Maltese Falcon
(Bogart answers the door to two suspicious detectives as Lorre and Astor hide in his apartment)

6. Leon / The Professional
(the SWAT team prepare to enter Leons apartment)

7. Death Becomes Her
(Bruce Willis looks on in horror as a doctor informs him that his wifes heart has stopped beating)

8. Armageddon
(Steve Buscemi is horrified as an FBI agent approaches him in a bar, fearing the worst)

9. Bound
(Joe Pantoliano spends a busy night washing a suitcase of money that has been covered in blood)

10. Tremors
(Walter Chang sees an opportunity to make some money out of the "snake monster" that attacked Kevin Bacon and Fred Ward)