Drupal 7.x

i do not understand how to rectify the following 3 errors,

is there an alternative to the Drupal Video module which does NOT rely on a paid account for AWS?

Working in Drupal 7, I need a solution to make the Parent link in a drop down menu dead. Can not find any working modules to aid in this. Any ideas, other than Menu First Child?

Thanks in advance.

I want to use #ajax property on node view links that are presented on the front page. I believe i can do this with hook_view_alter() but i have NO idea what array entry i need to add the #ajax to.

Is there a way to manually call the client side drupal ajax functions? So say i manually build a commands array and manually pass it the json object that was returned from my own ajax call from another function?

I'm pretty new with drupal so I have only the absolute basic knowledge about it and even there some holes. I am using version 7.7 with some basic modules (and can install some more if it is needed).

Each user that registers on my site gets their own blog.
I have a basic menu up.

I am trying to do the following:

Link one of the menu choices to the blog of the currently logged in user.

This wasnt dat tough to find out in Drupal 6.

How can i link a specific taxonomy to a content type

Like i have a content type Resume and i want to have a drop down list options of number of cities a user can select in it.

Thanks in advance