photomatix

http://www.hdrsoft.com/

HDR

http://psd.tutsplus.com/articles/inspiration/inspiration-high-dynamic-range-hdr-imaging/

http://www.nill.cz/index.php?set=tu1

photobased book covers

http://psd.tutsplus.com/articles/inspiration/inspiration-90-photo-based-book-covers/

digital photo collage

http://compartemich.blogspot.com/

http://dbeckerman.wordpress.com/2009/04/13/photogram-man-on-gauze-strips/

http://www.christophernixon.com/portfolio/digitalArt.htm

http://www.maggietaylor.com/

http://www.scannography.org/

http://www.redbubble.com/search/scanography

http://www.scanner-magic.com/

http://fineartamerica.com/photographs/tag/scanography

digital panorama

http://newyorkpanorama.com/http://www.cambridgeincolour.com/tutorials/digital-panoramas.htm

http://psd.tutsplus.com/tutorials/photo-effects-tutorials/how-to-create-a-serene-panorama-from-multiple-photographs/

http://www.princetonol.com/groups/iad/lessons/high/cubismphoto.htm

http://www.bideford.devon.sch.uk/art/gcse07/viewpoints/slides/orig_photo%20montage%20by%20david%20hockney.html

http://cti.itc.virginia.edu/~mdst322/mdst32202.html

interesting photographers

http://www.bertmonroy.com/

http://www.magierski.pl/

http://www.graceweston.com/

enhancement

http://photo.tutsplus.com/category/tutorials/post-processing/

old photo techniques

http://www.idigitalemotion.com/tutorials/guest/old_looking_images/oldlookingimages.html

http://www.dphotojournal.com/create-aging-old-photo-effect-in-photoshop-easy/

http://www.piticstyle.com/2007/10/16/create-old-pictures-in-photoshop/

http://www.ephotozine.com/article/Photoshop-tutorial--creating-oldstyle-photos-11334

http://veerle.duoh.com/blog/comments/photoshop_vintage_effect/

http://www.photoshopessentials.com/photo-effects/old-photo/