RCU member MinnFlyer has done some great how-to articles and videos on covering. check them out as they will go a long way to getting you started.
[link=http://www.rcuniverse.com/magazine/article_display.cfm?article_id=67]Minnflyer Covering how-to[/link]
[link=http://67.18.81.100/rcuvideos/magazine/reviews/352/cov1.wmv]Minnflyer Covering video, part 1[/link]
[link=http://67.18.81.100/rcuvideos/magazine/reviews/352/cov2.wmv]Minnflyer Covering video. part 2[/link]
[link=http://67.18.81.100/rcuvideos/magazine/reviews/352/cov3.wmv]Minnflyer Covering video, part 3[/link]

newest covering videos
[link]http://www.rcuniverse.com/magazine/article_display.cfm?article_id=726[/link]