Attacher is a tweak by Dany Lisiansky that lets you attach files to iMessages.
Send and Receive any attachment with iMessage
– Open any received attachment.
– Attach and send any type of file.
– Record and attach voice memos.
– “Listen before attaching” switch in Settings > Attacher.
– Customize voice memo’s name in Settings > Attacher.
You can download Attacher from the ModMyi Cydia Repository.