With the introduction of Windows Mobile 5.0, Microsoft added more flexibility for carriers to customize the Phone Edition dial-pad which isn't - unfortunately - used so far by most ODMs or carriers.
Therefore, most dial-pads either looks like the original Microsoft dial-pad or are tweaked minimalist only (like a changed background skin).
However, if you want to give your Pocket PC Phone Edition a more individual look and feel and you are looking for something which fits to your Today screen better, you should check out this free collection of dial-pad skins for (QVGA) Windows Mobile 5 (only) Pocket PC Phone Editions:
That's indeed a nice work and it looks pretty complete. The author of this pack offers two versions of installer: one to install on the device's main memory and one to install on the storage card.
Cheers ~ Arne