Finally, found exactly what I want in a vb mod.
Here's the official page ->
Click Me!
Pay attention to the 3rd screenshot, the 2nd option shows that it takes automatically the first image, the attachment or both.
Also I found a demo before some days, and it worked great. Although I can't find it right now 'cauz I don't remember the page. I'll try to find demo again.
(Full code Check the XML here ->
Click Me!
I hope this helps guys.
Just to remind you, I want to automatically take the first available image in the thread. The other features this mod has are not required.
Thanks,
Hope you find out a way to do it.