Jeremiah has some really cool stories about his prophetic ministry. Especially see the Church's Old Testament Student Manual, 1 Kings-Malachi, pp. 235 to 259 (starting section 23).
Jeremiah's calling - Jeremiah 1:4-5
Jeremiah was put in stocks - Jeremiah 19:14-15, 20:1-6
His imprisonment - Jeremiah 32:1-5
He buries the proof of his purchase - Jeremiah 32:6-44