[jeffhatton]

Here are the two files that you are looking for...

Using the PPCGeeks kitchen (BuildOS), use the HTC_smart_mobility file for your boot splash and main splash. Enable the startup animation within the kitchen. Unzip and rename the SPCS_startup to wmstartup_ani.gif I attached to this post. I was unable to replace the wmstartup_ani.gif directly through activesync. Therefore, within the kitchen, I went into oemizer, selected files and shortcuts, and added my wmstartup_ani.gif file and created the oem. Once you create the oem, you must select it in the kitchen via a checkbox. It will say My Personal OEM. Build your ROM and it will automatically copy over the default animation with the sprint animation that originally came with the Mogul.

Hope that helps. It worked well for me.