R4iLL dldi file (WOODTT requires a file called "tt_sd.dldi" , being the dldi driver designed for your card to make homebrew work) extracted from firmware:
Paste this dldi file inside your "__rpg" folder:
http://www.mediafire.com/?2xq0o258nm49py6
If asked for file being replaced choose "yes". This dldi was extracted from the YSmenu modified R4i LL Clone "official" software.
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Or, you could get your "official" firmware, and extract the dldi you need following this topic.
Steps
here
Now any homebrew should run fine. =)