You can get high PR of your site by only building backlinks from high PR sites.For example,if you want PR3 for your sit,then you should build backlinks from PR4 and PR5 sites.
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quality backlinks from high pr sites. learn google algorithms, if you do this, you will have a clear understanding of what they are looking for.
To get high PR, start posting on dofollow forum and comments on dofollow blog. It is only way to get maximum backlinks.
if you want to promote your website you need to do seo work such as social media bookmarking,forumposting, blogcommenting and directory submission and after that if want to maintain the PR of your website of you have add fresh contents and unique articles.
As simple as it can get, get backlinks from High PR pages,when done, then get backlinks from High PR domains
I wouldn't leave this to designers, in my experience that's the worst thing anyone can do, because there concern is for the website to look and feel cool, but in most cases its not SEO friendly. A good looking site is worthless if nobody goes to it.