Wait so like.. are you trying to give every player a score e.g. PlayerCoins = 0? Then I assume you get coins some how then you want to test to see if they have the required amount (100) before doing something? (e.g. /give /teleport etc.)?
If you are trying @p you will need to test the closet player you need to run the command through a command block. (Not just type it in or use the server console). On yourself (the one executing the command) use @s. Hope this helps, I'll try to be more useful when I get a better idea of what you doing :) -Void
Some mods are just incompatible Although sometimes you just need to instal them in a particular order for them to work. I recall I had a similar problem when I had buildcraft and thermal expansion togeather, (+ 70ish other mods) but it turned out that buildcraft overwrote a file that thermal expansion used. I solved by removing that file (so as to get a clean version) running the game first with thermal expansion and then a second time with thermal expansion and buildcraft. This stopped buildcraft overwriting the file.
Wait, by camera do you mean recording software? I use fraps which is quite good, some people say the frame rate isn't the best but I can always record 30-60fps, although that might just be my computer.
