Microsoft Powerpoint Presentation

[kayla2004]

hi everyone, i am currently in the uk and doing a full gnvq in i.t, for one of my assesments i have to create a good powerpoint presentation for younger students about my school, i was wondering if anyone knew where i could get some free powerpoint templates to make it look a bit better or knew of anything else that might get the wow factor for my assesment,

any help would be much apprecieted