I concur with Dave. These are some thrilling possibilities! Regarding TiddlyClip, check out my comments here: https://groups.google.com/d/msg/tiddlywiki/1Z7kIaPF2Nk/RRpYwX-XAwAJ
Regarding custom dropzones, here's some more food for thought: https://groups.google.com/d/msg/tiddlywiki/1Z7kIaPF2Nk/1Unp_D6YAwAJ -- You received this message because you are subscribed to the Google Groups "TiddlyWiki" group. To unsubscribe from this group and stop receiving emails from it, send an email to tiddlywiki+unsubscr...@googlegroups.com. To post to this group, send email to tiddlywiki@googlegroups.com. Visit this group at https://groups.google.com/group/tiddlywiki. To view this discussion on the web visit https://groups.google.com/d/msgid/tiddlywiki/a4841411-eb1a-448f-a7e2-15a642e93f4b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.