That's cool, but it still doesn't really make sense because Frieza was training in Hell with Cell for years and years after he died and he never really improved.
To post a youtube video simply just post the link and site will embed it for you
No, he wasn't. That was non canon filler. Never happened in the manga. Anytime they show villains in hell with their bodies, that is just non canon filler. You should read the manga, it will give you a clear understanding of what is and what isn't in the face of canon content. People who die in the DBZ universe don't get to keep their bodies unless they are a special case such as Goku, King Kai, and so on. normal every day people as well as villains in general become spirits. As a matter of fact once a bad person dies and goes to hell their spirits get washed in a soul cleanser.
Freeza is a special case as well however, as far as this new movie goes. It is shown that ever sense he died he did get to keep his body, however, he is restrained in a cocoon and is tortured by hell fairy imp looking guys. It's funny because he is in mecha form while in hell, not his organic form. Once he is wished back by his soldier, Sorbet, he is revived in the pieces Trunks sliced him up in. Sorbet puts him in a new age revival chamber and he comes back out in his organic 1st form.
The new movie changes it up a bit what with Freeza having kept his body in hell, but that is only because he was being tortured in hell, not freely able to move or go anywhere. That's just how AT set it up for the movie this time around. However, as far as the manga/anime goes, canon wise, they never were able to keep their bodies. Cell never had his body, Raditz, the Ginyu Force, etc... never had their bodies. The scenes where the humans on King Kai's fought the Ginyu Force on King Kai's planet and knocked them into hell is also filler.
The entire Otherworld tournament arc is also filler.
Unless AT changes his mind collectively, or makes another movie showing Cell or someone else in hell with their bodies, then it still remains fact that the majority of people (unless a special case as I said earlier) do not have bodies in the afterlife.
As far as the manga and canon content goes, Freeza was never shown again after his defeat at the hands of Trunks. At least up until now.
https://www.youtube.com/watch?v=Sd5fhFo84OsI just did that. Doesn't seem to work. Are you sure that's how you do it? You guys could use a better help system explaining how to use the BBCode here and how to post vids on the forum. It is rather confusing going through your help section.