Blood special effects

does any one no of any free special effects software that i can download online?

if anyone has a link or something that i can download some type of software to put special effects on my home videos pleaze send it to me. like u no the muffins video on youtube and how he was the cartoon muffin i wanna do things like that and make like lazers and stuff so if anyone has any website or anything like that pleeeaaazzzeee help me out. Thanks in advance for any answers. PEACE

If you can find those video that you want at youtube.com or other site you can go to this website and follow the step on how to download it

Five Minutes to Watch 100 Years of visual effects