(Based on and used with permission from the wicker-man.com site which was written circa mid-2000s. I have updated most of it.)
THE site for Anthony Shaffer and The Wicker Man. Created by Andy Taylor
Gary Carpenter, The Wicker Man's associate musical director, has an excellent, amusing, and informative article concerning the film at his website.
Wikipedia page about the movie.
The old wicker-man.com site, from which much of this content was taken (with permission) on the Internet Archive. (Choose before the domain got bought up by another circa 2013, so 2007 - 2012)
Articles online about
Something Wicker This Way Comes - Stuart Byron From Film Comment magazine, Nov, 1977 (need to register, can be done for free.)
Film Studies for Free - Some nice links at the end of the article too.
The late, great Wicker-Man.com had great info. Here's a version on the Internet Archive from 3/24/07.
Reelstreets has an excellent scene-by-scene then and now comparison (but not for every scene...) Mouseover to see the the scene recently.
Geograph has lots of good pictures with maps.
The Creetown site has lots of info about other locations as well.
Some interesting info here as well. (MovieLocations.com)
Some nice comparison shots for some of the locations here. (TheMovieDistrict.com)
Silva Screen Records has a page devoted to their soundtrack release of The Wicker Man. They have an exclusive instrumental version of 'Willow's Song' available as a downloadable mp3.
Nuada is the Wicker Man fanzine which is now sadly on ice at present. However, their website can be found at http://nuada13.weebly.com
Film critic Mark Kermode has written an article which aims to put straight some of the misinformation surrounding the film at http://www.channel4.com/film/reviews
Amanda Sunderland is an artist operating from Isle Of Whithorn. Among her work are pieces relating to The Wicker Man, which she has for sale. And we think she has a right to as her father and uncles were actually in the film! http://www.sunnysarah.co.uk/ (See also this interview on the wiki.)
British Film Institute page (See some stills, a poster, a graphic and some video interviews including one on the soundtrack (Gothic, Sing Cuckoo (See also this blog), The story of the Wicker Man soundtrack), Director Robin Hardy on the Wicker Man and Folk Musicians discuss the Wicker Man.)
StudioCanal offers high resolution pictures of many scenes, behind the scenes and promotional shots from the movie.
Richard Demarco took some behind the scenes pics of the May Pole dance and on the cliffs at Burrowhead. Search for "Wicker Man". 6 pics altogether.
Steve P has an excellent site entitled 'The Various Versions of The Wicker Man'. As well as detailing the differences in cuts of the film , it includes information and images relating to the film's lost scenes.
As if you didn't know, the imdb is the ultimate film resource on the web. The Wicker Man page may be found here.
The Golden Bough by Sir James George Frazer was used to find out about some of the customs.
There are several Wicker Man groups on Facebook.
Here's one: https://www.facebook.com/groups/29082840986/
The discussion group devoted to The Wicker Man, at Yahoo Groups. (Dormant. Login required.) http://movies.groups.yahoo.com/group/wickerman
Lord Hurk's One Page Wicker Man (comic)
Where is Rowan Morrison? (mashup)