convert your media to MP4 and play it with HTC Albums, there are a few threads discussing this question. Coreplayer is not the best, read
THIS THREAD to find out why.
Encoder is
FOUND HERE
I backed up a DVD using DVD Shrink, converted it to Xvid and then converted that using HTC Touch HD Converter (Encorder) to HD 720p and played it with HTC Albums and was amazed at the quality...
Download Sample.zip extract sample to your phone and then open the sample on your phone, you will see the quality that HTC Albums has, enjoy!