Microsoft Powerpoint Presentation Templates? what Themes you need ?

[Brandy_in_Red]

I'm PowerPoint templates designer from : http://www.poweredtemplates.com.
You can check my My Free PowerPoint templates here. My works are :
And this :
My recent works for Columbus Day are :
and this

Question is: Is this templates useful for your Presentations?
What kind of templates do you need in your day-to-day activity?