Thank you for contacting Easypano.
1.You can add a swf file in the loading window but till now there's no method to make the mian window wait till the swf has finished playing.
2.This function you want is a cool function. Thank you very much for this good idea. We will develop this function ASAP. When this funtion come out I will tell you at once. Thank you very much again for this nice idea.
This is donald from easypano,welcome you to use our products and visit our forum.