Where i set new settins for timthumb

Hello,

I have this site https://synthmania.ro/. I want to make some change at slider, and i want to display the full image in the slider.

So i want to modify the timthumb to resize the photo to 1000×250 px.

But i dont know where to do that.

I dont even find where the <div id=”slidearea”> is in my theme.

Can you help me?

https://www.ads-software.com/extend/plugins/timthumb/