You are more than welcome . I also tried tweaking some of the settings for better shadows, trying to minimise the "joins" between the face, scalp, and neck. After uploading it, I realised that some of her hair is transparent, allowing the white background to show around her ears from some angles.
I can certainly do Miranda's loyalty outfit. As for Ashley, no. Once ME3 comes out I will see what can be done about uploading references for those, that is also dependant on whether or not BioWare changes the system of packing the files.