1.Is that ok put Top Gear Episodes on my site for download?
What is Top Gear?-> http://youtube.com/results?search_query=Top+Gear&search=Search
2.Is that ok put Some kind of Game Videos on my site for download?
Some Videos like this -> http://you.video.sina.com.cn/b/8147278-1140480474.html
You've already crossposted this in another forum. Bottom line, if it's copyrighted, like a British TV show, then "no."