I need some bits changing on my wordpress website.

I have a car video classified website in wordpress and I need

1. I need the video on the main screen adjusting.It has a slider with two videos on it.it keeps playing while sliding to the next video. that needs changing

2. I need the video size upload increasing from 10mb to 64mb or more.

3. I need customer ads to have a time limit of two weeks and customers informed the their ads are about to expire and would they like to renew.

4.I have a ebbed option to add youtube videos,vimeo etc but its not working properly.

5.I have a new domain name and want it changing over to the new domain and a new logo uploaded

6.My player is flowplayer and there is a new update and it needs updating.

7.The upload screen to look like the edit.Only a few changes needed