BitMap For Unity 2D

Hello to everyone..

I want to ask a questions about bit mapping for unity 2d. I am developing game which I need a guı text. I keep a time so ı have to show to this game time. If I use guı text , its behave different for every screen size. I should know that my guı text position..Because of ı want to add a pile of gold picture beside of guı text. I think that gui text is not a good solutions this problem ı want to use numbers sprites for every number. Lets think that it is a bit mapping. Please help me.. I have no idea for doing a bitmap..