Flash movie help

I am working on a DBZ project, ((yeah i know very original)) but i like the series and want to make a bit oF a tibute, sorta like Alvin-Earthworms SMBZ. any way i am having three problems…and a minor problem…

  1. how to make a scrolling back ground For Flying and running Etc.

  2. how to make text boxes For the characters to speak.

3 how to reduce File size and deal with Frames, aFter i hit 1000 Frames Flash begins to slow down and Freeze up…and once in a while it will get a runtime error and close out.

minor problem= how do i solve the music problem for my menu? i have done it before but it took a lot of frames and layers… should i just do the same thing?? but will that also increase the size of the mvie?

its very Frustrating…:m: ((btw ive searched google up and down For solutions and have Found none))

thanks in advanced…Crow or [R0W