I copied a bitmap from default.xml edited it with gimp for making it darker and when pasting in the xml it looks bigger. Cant tell you the dpi because explorer tells me 96, and xnview tells me 72 and unknown...
The original from default.xml:
<element id="MiniPlayerLastFmNotLove">
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABGdBTUEAALGPC/xhBQAAABl0RVh0
U29mdHdhcmUAUGFpbnQuTkVUIHYzLjUuNUmK/OAAAACZSURBVDhP7ZJdCsQgDIR7Sn9AUdQHD7j3
S/kKlljL7vZxYQtlTCczTkK37f8sGyiliLVWUkqiSWrvvdRap++TQWtNYowCInDOiTHmQGrEg19u
7r2/aKQJA17SaOQMTxL6J5M7g2Gk8aPBnegrA+KQIoRwjnA143b4Jb6eBZIZWZo2oGahb8XaaCQZ
i6R+/NfnnI/I4GPx7wh2Ba+wj1wnQ9MAAAAASUVORK5CYII=
</element>
The one i did:
<element id="MiniPlayerLastFmNotLove">
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBI
WXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3AQPAQ0HLsNBuwAAAMhJREFUOMvtUUtqxTAQ03xscpaQ
BN/j9bjpPUIIvkvisd1FG8N7uNBFV6XaDIxGAmmAf9DrYp7nmlKCquI4jsZP01RzznDOYd936hos
y1JzzhARlFJgZo1TVTAzbv424fsghLBe1wURAQAwM5xz8N7DOQfmz1MRQUoJIYT1yaCbj+hp9sC/
WuJXjIeqfiswM3jv37dte+t+IYSwnuf5EJGWG0ArdRiGJu4a3BjHsaoqaq0gIpgZYoz04w5ijFRK
Qc4ZpZSu+I/gA/b/V7raNt+zAAAAAElFTkSuQmCC
</element>
Resulting like this:
