Howcast - Learn how to join the NPPL (National Professional Paintball League) from paintball pro Mike "Pev" Peverill in this Howcast video.

Howcast - Learn how to wean yourself off sleeping pills from sleep specialist Janet Kennedy, Ph.D. in this Howcast video.

Howcast - Learn how to play tactical paintball or scenario paintball from paintball pro Mike "Pev" Peverill in this Howcast video.

Howcast - Learn how to prepare your canvas to paint with acrylic paint from painter Linda Rhea in this Howcast video.

Howcast - Learn how to get a job as a radio DJ in this Howcast DJ video with Rock and Soul DJ School.

Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 9 of an 11-part series.

Howcast - Learn to make a princess doll cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 3 of a 6-part series.

Howcast - Learn to make a purse cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 3 of a 5-part series.

Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 7 of an 11-part series.

Howcast - Learn how to make a baseball cap cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 3 of a 6-part series.

Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 2 of an 11-part series.

Howcast - Learn how to pick a DJ mixer in this Howcast DJ video with Rock and Soul DJ School.

Howcast - Learn how to teach your dog to lie down in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn how to do a back limber in this Howcast video with Dulles Gymnastics Academy.

Howcast - Learn how to teach your dog the high five trick in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn how to teach your dog the easy give paw trick in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn how to teach your dog the spin trick in this Howcast video with Andrea Arden Dog Training.

Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 8 of an 11-part series.

Howcast - Learn how to dance at a middle school event from expert Alexis in this Howcast video.

Howcast - Learn how to handle peer pressure to drink and smoke in middle school from expert Alexis in this Howcast video.

Howcast - Learn how to date after a divorce from dating coach Rachel DeAlto in this dating tips for guys video from Howcast. Thumbnail: Harsh Patel/Flickr

Howcast - Learn how to deal with peer pressure during puberty from Jennifer Wider, M.D. in this Howcast video.

Howcast - Learn DJ scratching in this Howcast DJ video with Rock and Soul DJ School.

Howcast - Check out part 4 of this walkthrough for the first person shooter, Battlefield 3, made by DICE, and find out how to beat "Operation Swordbreaker".