You could try the TDM-Modpack. It was made a while ago by some very talented modders who tweaked the AI's to get the most of them. It makes them...quite a bit more difficult in my experience. Especially play against the United Flora Empire or the Tessellate. You can get it
here.
Enjoy and welcome to the forums!

__________________
Courage doesn't always roar. Sometimes courage is that little voice at the end of the day that says "I'll try again tomorrow".
Maturity is knowing you were an idiot in the past. Wisdom is knowing that you'll be an idiot in the future.
Download the
Nosral Confederacy (a shipset based upon the Phong) and the
Tyrellian Imperium, an organic looking shipset I created! (The Nosral are the better of the two [img]/threads/images/Graemlins/Grin.gif[/img] )