Been struggling with getting one-click translation for everything on my site. Love megamenus, such a nice, simple menu system that does a great job of conserving space on any size screen.

However, translating the menus wasn't working so good, the branches and twigs were translating perfectly (using i18n_menu in 'translate and localize' mode). The leafs (the last items listed in the menu) were NOT translating.

Found the problem and a simple solution:

in line 223 of megamenu.module, find:
'data'=>l($leaf['link']['link_title'], $leaf['link']['href']),

replace with

'data'=>l($leaf['link']['title'], $leaf['link']['href']),

hope this helps people struggling with translating this cool module!