This is from A Crude Start mod.

It looks too big and low resolution with other textures. Something less noisy, less round-shaped (more right-angled) and 3D might go better both with vanilla and custom textures:

Fair, those are just awfully chunky looking pebbles.

What do you think about these?

This is much better!

Agreed, and it will work dynamically with any texture pack.

Thanks for the input!

Thank you so much! They look much better now!