For further reading and listening on the topic, I recommend the following:
Excerpt from book by Gary Yates and David Croteau: Urban Legends of the Old Testament: “Imprecatory Psalms are Horrible Models for Christian Prayer."
Love for Enemies in the Old Testament, by Matt Lynch in Theological Miscelleny.
Examples of Imprecatory Psalms. The abridged text of some of the most notable examples.
"Those Bad Psalms," an article by Gordon Wilson.
An audiorecording of a sermon on the topic by Shane Scott of Valrico, Florida.