So which principles did you like?Name ??! Its not the name that fascinated me I know more bunch of fascinating name than Lung Ying all I was influenced was by its principle and its moves, the fluidity in transition from one posture, and all the forms of It.
If you liked the fluidity and forms, I'd recommend bagua or even taiji. Jusy the fluidity, I'd recommend kali or silat. What else besides tkd is in your area? While most on here wont recommend online training, if you live in an area with options we may have a good idea of what you should check out.