by looking at ur sigs im guessing that your just strted on making sigs, if so then ima give you some advice.
start by reducing the dimension of the canvas and reducing the fonts. after that all there is to say is to spend some times and mess around w/ the effects of w/e software you are using. if you use photoshop pm me n i'll give you some sites to find some good renders and c4d's.
after that all i gotta say is nice job on the sigs
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-Signatures Made By Me-