Photos:

http://www.istockphoto.com/
http://www.sxc.hu/
http://www.dreamstime.com/

Ikons:

http://www.famfamfam.com
http://www.iconbuffet.com/
http://www.freeiconsweb.com/
http://dryicons.com/

Brushes:

http://www.brusheezy.com/

Logo:

http://faveup.com/
http://logopond.com/
http://brandstack.com/

Colors:

http://kuler.adobe.com/
http://www.colorschemer.com/

Galleries:

http://www.thefwa.com/
http://designshack.co.uk/
http://www.digart.pl/
http://www.coolhomepages.com/
http://www.thecssawards.com/

Magazines:

http://www.computerarts.co.uk/
http://www.newwebpick.com/
http://www.smashingmagazine.com/
http://www.noupe.com/
http://webdesignledger.com/

Templates:

http://themeforest.net/
http://www.templatemonster.com/

Flash:

http://www.flashkit.com/