Everything I know about blood, from the razors in Sweeney Todd to a simple blood pack, I learned from the props master at The Repertory Theater of St. Louis . . .although if you are lucky enough to find a good makeup artist they might have some cool tips up their sleeve, too. There is an awesome fake blood called Reel Blood, it's expensive as all get out but so (SO!) worth it.
Now, I also do special effects makeup on the side which is something I picked up from someone who did costume crafts. I'm pretty darn good at burns, scars, wounds, gashes, bruises, scrapes, and things like that. Books are also a great resource in the world of special effects makeup . . . and to practice, I did makeup for all my friends one year for Halloween, whether they wanted to be a drag queen or a zombie, I did it all. Sometimes you just have to practice on yourself for the sake of it . . . take a picture and make a portfolio, even if it is all you as 30 different characters and creatures.
If you want to know more about a specific effect, PM me.