I have been working on a commentary on the Psalms. I have decided to compile some of my favorite links that I discovered during my research. There is a mix of exegetical and sermonic links. Here is what I have for Psalm 2 (in no particular order). Feel free to mention any that you find helpful in the comments section.
Spokane Bible Church: http://www.spokanebiblechurch.com/books/psalm-3
Literary analysis of Psalm 3: http://psalmsstudy.com/psalms-chapter-3/literary-analysis-psalm-3
Analysis by C. J. Labuschagne: https://www.labuschagne.nl/ps003.pdf
William Barrick’s notes: https://drbarrick.org/files/studynotes/Psalms/Ps_003rev.pdf