Yes, blog commenting, article submission, directory submission, image sharing, video sharing etc. are some techniques for creating good ranked back links.

best backlink methods:
Blog posting
Article submission
blog commenting
forum posting

Blog commenting ,Forum submission, Classified submission ,Bookmarking submission are the best way to generate backlink

Best way generate backlinks:
blog posting
forum posting
web 2.0
blog commenting
article submission

Follow those things get more backlinks....

Blog commenting
Forum submission
Social Bookmarking etc...

Best and easy way to generating backlinks
1. Guest Posting
2. Blog Commenting
3. Forum Posting

Forum posting
QnA
Blog commenting
Guest posting
Social bookmarking
video sharing
Local listings
Micro blogging
Infographics

Best Off-Page SEO techniques are:

Forum
Blogging
Social Bookmarking
Social media marketing
Press release submission
image submission
Q & A

Blog Commenting
Social Bookmarking
Web directories
Forums
Guest Posting

You can get Backlinks through
Forum Submission
Blog Posting
Article Submission

Best Backlink Generate Method

Content Posting
Web 2.0 Submission
Profile Creation
Blog submission
Classified submission
Bookmarking submission
Directory submission
Local Business Listing
Profile Creation

There is the best way to generate back link.
1.Blogging
2.Forum Posting
3.Video sharing
4.Social Bookmarking
5.Article Submission

blog 2.0
socical network
Profile
Blog comment
forun posting

Guest posting and Forum commenting

SEO off page activity are the best way Generated Backlinks.

Article submission
Blog submission
Classified submission
Bookmarking submission
Directory submission
Web 2.0 submission
Profile submission