How can I download and convert youtube videos ha?

I am thinking that maybe your parents already told you that you should not have a YouTube account and also not to be watching the YouTube videos. Just think about that and be careful with the videos you are making.
I have a youtube account and I've been making videos, but I haven't told my parents about it. I'm 16, but my videos aren't inappropriate or anything. I would just feel self conscious if my parents were watching all of my videos.
Well, only if they told you not to have one.

Specializing in formats meant for portable devices, FLV Converter also supports.

you don't have to tell them everything do you?
It probably would be if your doing things or watching videos you know your parents wouldn't be okay with.
If there is nothing to hide in these videos, then there is nothing to worry about. However, there is the element of "Why are you keeping secrets from me?" that can erode at your trust of one another. I would tell them matter-of-factually, and invite them to view your videos as if everything were normal.
I don't really think "rude" is the correct word to be used here. Perhaps the word should be "disrespectful." If you are asking this question then perhaps you already know the answer.

Pavtube iPhone video converter, can convert AVI, MPEG, WMV, MOV, etc to Apple iPod video.

Also for high quality conversion, use vcd mode to get good quality mpg file.
Just get those clips you want , save & convert them, and then mix/match with pix/sound/etc using windows movie maker(included in your windows machine) to create new masterpieces..
It is very easy to download and convert videos. Then edit those converted mpg videos with windows movie maker.
Well, who pays for the account? If you are paying, you are not breaking the law with any illegal videos, and you are not putting yourself or your parents in any harm, then okay, no need to tell them.

Video to 3GP Converter is a powerful 3GP converter which can convert all popular video files to 3GP video format such as AVI to 3GP, MPEG to 3GP, VOB to 3GP.

Well it should be fine if your videos aren't bad... But if your parents are really protective and you are showing your face on the internet I wouldn't know. It all depends on how you and your parents feel... If you feel like you have to tell them do it...
this will help you.... Use 'zillatube'. This is the easiest (and also the fastest) way.
Zillatube produces mpg/mp3 video or sound formats from youtube that are compatible with windows movie maker(or windows media player), and more.