Dopers, name this movie? (Limited info...characters mostly)

Danny, a drug dealer
Parkin, a farmer
Jake, a poacher

And a quote:

Help!

A very good film if I may say so at least

http://us.imdb.com/Title?0094336
Personally my fave line was

Even a stopped clock tells the right time twice a day, and for once I’m inclined to believe Withnail is right. We are indeed drifting into the arena of the unwell.

[Monty] As a youth I used to weep in butchers shops[/Monty]

Great film.

Don’t get uptight with me, man. Because if you do I’ll have to give you a dose of medicine and if I spike you you’ll know you’ve been spoken to.