adding captions to slideshow

hello…for a site i created i hacked nextcellent cycle slideshow to allow captions …the good news is it worked! bad news is i can’t figure out how to upgrade without breaking my site

here is how i got captions working originally now like 2 years ago:
https://ww.wp.xz.cn/support/topic/plugin-nextgen-gallery-description-and-pagination-show-under-slideshow

can you guys please please please add captions to the widget on the next release?

https://ww.wp.xz.cn/plugins/nextcellent-gallery-nextgen-legacy/