Cross Hier

[ShadowFox]

Hopefully, this would be a very simple request, but for a shooter game im making, i want to have a cross heir (dont know if thats spelled right) which is pretty much like a circle in the middle of the screen that indicates where shots will hit. If you would like to tell me how to do it myself, or have a link to a tutorial, that'd be great too. any help would be appreciated.