Well, first, your English is better than most native speakers. Allow me to give you some links:
http://www.minecraftforum.net/topic/1913629-voxels-guide-to-building/ This is a really good guide that I have used alot.
http://www.minecraftforum.net/topic/2316322-benjs-ultimate-guide-to-making-things-look-good-v20/ This is mainly a guide to interior decorating
http://sarlacminecraft.imgur.com/ This is a step-by-step album of really cool builds.
Hope this helps!