Search for ( Entity workshop 2.0 ) this is an easy to use tool to make entities that you have made to work in fps creator.
As for making them for wich is a model, you will need to learn how to make a 3d model, eithe by using Free Blender or Milkshape and even £d Max or any other 3d modeling tool that supports DirectX ( .X format )
And also creat your image and save as a DDS format as that is the best and works fine in entity workshop, (Note- When naming your texture put _D2 at the end of the file name Example ( car_d2 ) or Entity Workshop will not see the image, as this relates to UVW Mip map texturing.
I use DDS Converter 2.1 to convert images to DDS format, its easy as 123
I would start of just creating a Box in a 3d program save it as IE box.x
import it into Entity Workshop
Then inside entity workshop use the import texture and use the image/texture that you have made and convirted using the DDS Converter program
once all have been imported and looks ok then use the export entity button at bottom right and it will save it into your Entities\Entity Workshop folder in Fpsc
But you will need to setup Entity workshop after you install it to function correctly, but it practicly does it for you upon install
oh their are Tutorials inside the Entity Workshop that will show you how to use it.
As for characters, you will have to model your own or find some to use.
once made then you will have to Rig it then animate all the moves that make it do what you wan't it to do. IE Walk,Run, Jump Extra, i use Framotion, i find or found it the easiest tool for me to use, Simples
And finaly watch loads of Tutorials and Read Read Read untill your brain explodes and when it explodes tape & glue it back together for another onslaut!
Basicly a Damm lot of practice
And start with the simplest model untill you get to know how and what things do.
Have fun
I'am not GOD but i can make you see again by taking my fingers out of your eyes and i can make you walk again by taking your beer away, but if you take my beer you will not walk again
