I think your tank looks great and so does the shrimp! I got rid of my DWL in the 3g too because the roots got very long/big and made the tank look terrible. Got sick of trimming them. Now I just have Salvinia minima.
18g (Red Cherry Neo Shrimp | Malawa Shrimp)
7.5g (Yellow Neo Shrimp)
3.2g (Pumpkin Neo Shrimp)
11.4g (new home soon for the Pumpkin Neos)