Go To the Evangelism Video Index for more videos describing how to share the gospel, including the complete first four seasons of Way of the Master.
Most Christians do not know how to share their testimony in an effective way. God works in marvelous ways and a testimony should reflect that, glorify God, and point people toward salvation through Jesus Christ. Here is a Science Pastor video describing the four steps to sharing your testimony
A clip of a woman sharing her testimony was included in the above video. Here the complete video of her testimony.