How to get do follow quality backlinks? (SEO)?

[David]

There are many ways for getting quality back-link.

Article Marketing:
Post an article on article directory sites such as EzineArticles, ArticlesBase, and GoArticles. To be effective, this should be done daily, or at least a few times a week.

Social Bookmarking
Some of the top social bookmarking websites are Digg, Delicious and StumbleUpon amongst many others. Add your website to as many social bookmarking sites as you can.

Website Directories
Adding your website to website directories such as DMOZ and Yahoo are a must for any website. These are sites with high page ranks and credibility with most search engines.

Forums
Join forums in your industry/niche. Post frequently, and reply often! You are allowed a “signature” where you can include your website and blog address.

Blog Commenting
Find blogs in your niche and post comments often. Your link is usually displayed with your comment depending on the blog platform.

Press Releases
You would use this less often, but occasionally run a press release about your website.

Link Exchanges
Offer to exchange links with websites similar to yours. Make sure it is not a link farm type website, but a quality website compatible with yours.

Best Of Luck