Hmm...
I suppose that the box on the upper right corner is either still work in progress or a consequence of the forum board not taking so much space on either side. Apart from being utterly messed up, it looks as nice as in the current theme.
The alignment of the text on the right side at the Last post column feels a bit wrong at times, mostly due to the column's width, which seems a bit unnecessary.
Also, have you considered using a landscape instead of plain colours and patterns on the background? A wide picture from a level in Last Legacy might work pretty well.
Last but not least, that forum title font looks all right on the bright theme, but it didn't fit the dark one as well.
Both themes have a lot of potential, imo, If you want a brighter theme for these forums, go for it.





















