Sketchboard evangelism is a great way to share the gospel outdoors in front of crowd of people.
Below are some ministries involved in sketchboard evangelism and training.
Open Air Campaigners
https://www.facebook.com/openaircampaigners/
Part of our mission is equipping the church for the work of evangelism, and one of the ways that we fulfill that mission is by sharing with other evangelists the tools, techniques, and resources that we find helpful. Many of these resources are freely downloadable, such as the message outlines for evangelistic preaching and some of the training materials. Others are physical tools, such as paints and paintbrushes for creating our trademark "sketchboard sermons." If you want a sketchboard of your own, we have plans for building several types and sizes, or you can order from us a kit or a fully pre-built sketchboard. We have sketchboard message outlines, board kit assembly instructions and video, equipment and supplies, kids messages, and sketchboard evangelism training.
Worldwide Proclamation
This is a ministry that is working outside the USA in a few different countries.
Open Air and Sketchboard supplies
https://secure21.hostek.net/oacusa-org/secure/orders.htm
You can order sketchboard supplies on the above website link. The order form can be downloaded. You can also request Open Air Campaigners for custom-built items to fit your specific open-air needs. The links are also indicated on the same website.
Setting Up Your Sketchboard video
http://www.youtube.com/watch?v=YiJf9q1elck
Miss Karen of Open Air Campaigners demonstrates how to set up your sketchboard to conduct creative, effective open air evangelism using paints and brushes.
Online Videos Regarding Sketchbook Evangelism
Watch how open-air evangelists share the Word of God by using a sketchboard.
https://www.youtube.com/watch?v=hyuuh6bpnjA
https://www.youtube.com/watch?v=_nPwuIEBGg4
https://www.youtube.com/user/openairevangelism/videos
https://www.youtube.com/watch?v=-4iMVLdAQYM
https://www.youtube.com/watch?v=jqIImhW_hT0
https://www.youtube.com/watch?v=uBZJvgnvem8
https://www.youtube.com/watch?v=I7hw65I1rsU
https://www.youtube.com/watch?v=0adSKbvnUec
https://www.youtube.com/watch?v=tjdwem0IBjI
https://www.youtube.com/watch?v=0lMBJ7qkE5k
https://www.youtube.com/watch?v=yhR9QxTeuVU
https://www.youtube.com/watch?v=P98tf1VIVjY
https://www.youtube.com/watch?v=gdXPGh8pIrU
https://www.youtube.com/watch?v=MCKFwpDtTsU
https://www.youtube.com/watch?v=E0PNWYcAzf4
http://www.youtube.com/watch?v=x6BbZpGRHBQ
https://www.youtube.com/watch?v=ZIiXhOuHAAg&feature=related
https://www.youtube.com/watch?v=MCKFwpDtTsU
https://www.godtube.com/watch/?v=KLPW7GNX
https://www.youtube.com/watch?v=vRiy4-FZhAA&list=PLCE49C831BED7250C
You may find more sketchboard evangelism videos
if you type sketchbook evangelism in the search engine.
You may go to youtube.com,vimeo.com, and Godtube.com
Evangelism 101
http://www.youtube.com/watch?v=sFqPlyAtkZY&playnext=1&list=PLCE49C831BED7250C
Here is a video explaining how to set up a paint board for evangelistic use.