Welcome to the InspirationGuide! The ultimate “I’m stuck” link list. Feel free to add to the list.

Webdesign:

designerscouch - mostly webdesign.
visualsafe
unmatchedstyle
cssdrive
cssvault
cssimport
csselite
cssbeauty
css-website
welovetxp
cssremix
webgallery.dimix.it/
siti-web-design.com
welovewp
wpgarden
anjo
styleboost.com - Webdesign gallery with the possibility to search by color.
thebestdesigns.com - webdesign gallery.

Logo design:

logopond
brandsoftheworld
logolinks
beautylogos
misipile

Poster design:

posterwire - movie posters, movie posters and movie posters.
movieposteraddict - The title says it all.

Cd Cover design:

sleevage - A big collection of cd cover designs
Flikr.com - If you don’t know this one then where have you been,
campaignmonitor - email design gallery.
linkdup - Huge portfolio database.
australianinfront - A design competion thing.
favoritephotogallery - photo editing.
designsnips - misc. design.
faveup.com - Gallery with logos, business cards and webdesigns, where you can vote them up.