so, are these specific filter packages run thru Lightroom, or HDR?
HDR Efex Pro --- Nik filters.
I started with 2 images... created a panorama in Photoshop. I then used HDR Efex to create the HDR image. I worked on the image in Photoshop as well... dodge/burn/sharpen etc. The challenge I have with HDR images is to not "overcook" the scene. I want them to come off vibrant but not crazy saturated if that makes sense.
Hope this helps.