These are clues to film titles if they had a letter missing. For example, the clue: "Asps slithering about on a piece of glass" could clue SNAKES ON A PANE, which is the film SNAKES ON A PLANE without the L. 

Word lengths for the answers (i.e. for the films missing their letters) are as follows:

That's a great animal coat! (2005) - (9,3)
Billionaire Gates is unwell (part the first, 2003) - (3,4,3,1)
Giving Jules Verne's captain a financial penalty (2003) - (6,4)
Beasts in Raleigh's state? (2001) - (8,2)
This Olympics is even bigger! (2012) - (3,5,5)
Not clever (1941) - (4)
They are overweight and very angry (2001) - (3,3,3,3,7)
Parasites that have gone down the rabbit hole? (2010) - (4,2,10)
A garden-watering device made from melted candles (1953) - (4,2,3)
A recent UK prime minsiter has a certain je ne sais quoi (1998) - (5'1,9,5,3)
The time to celebrate pudgy pigs (1993) - (8,3)
A film about a lower limb (2014) - (3,3,5)
A small dog's story (1994) - (3,7)
"I'm rational", said a Greek letter (2012) - (3,2,2)
2002, 2004, 2006... etc. in Lhasa (1997) - (4,5,2,5)
A very noisy book of maps (2012) - (4,5)
Shatter a beer glass? (1991) - (4,5)
Courageous hot weather! (1995) - (9)
Bond's boss is loathsome (2010) - (10,1)