Actually, can you click on "Console" after right clicking and selecting Inspect with the Insert Image dialog up? Are you shown any errors besides "Blocked loading mixed active content “http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js”" ?
ReferenceError: deprecated caller usage[Learn More] tpAXzIz6GEIJa0NhNE598D1Ux2rQjrdRxDvHaUyoSes.js%20line%201%20%3E%20eval:1:6447 [There are 195 instances of this line, which I have clipped to post]
ReferenceError: reference to undefined property b.src.split(...)[1][Learn More] chartbeat.js:25:343
ReferenceError: reference to undefined property this.Vb[Learn More] chartbeat.js:32:881
ReferenceError: reference to undefined property b.r[Learn More] chartbeat.js:59:319
ReferenceError: reference to undefined property d[1][Learn More] chartbeat.js:21:981
ReferenceError: reference to undefined property this.resize_timer[Learn More] vbulletin-core.js:11:37620
ReferenceError: reference to undefined property G.Da[a][Learn More] chartbeat.js:19:411
ReferenceError: reference to undefined property subscribers[(eventName + uid)][Learn More] dvtp_src_internal58.js:417:1
ReferenceError: reference to undefined property a.upload[Learn More]
ReferenceError: reference to undefined property window.event[Learn More] chartbeat.js:19:26
ReferenceError: reference to undefined property c[a][Learn More] chartbeat.js:31:447
ReferenceError: reference to undefined property n._cb_shared[Learn More] chartbeat.js:31:475
ReferenceError: reference to undefined property this.a.sessionLength[Learn More] chartbeat.js:33:123
ReferenceError: reference to undefined property O.D.Aa[Learn More] chartbeat.js:26:492
ReferenceError: reference to undefined property b[12][Learn More] osd.js:139:206
ReferenceError: reference to undefined property b[12][Learn More] ads:1:20379
ReferenceError: reference to undefined property a.returnValue[Learn More] jquery.min.js:3:7024
ReferenceError: reference to undefined property a.returnValue[Learn More] jquery.min.js:3:7024
SyntaxError: test for equality (==) mistyped as assignment (=)?[Learn More] avs644.js:90:479
SyntaxError: test for equality (==) mistyped as assignment (=)?[Learn More] chartbeat.js:34:183
SyntaxError: test for equality (==) mistyped as assignment (=)?[Learn More] dvtp_src_internal58.js:804:423
SyntaxError: test for equality (==) mistyped as assignment (=)?[Learn More] avs644.js:76:327
TypeError: variable a redeclares argument[Learn More] chartbeat.js:45:270
TypeError: variable a redeclares argument[Learn More] chartbeat.js:23:324
TypeError: variable a redeclares argument[Learn More] chartbeat.js:26:361
TypeError: variable a redeclares argument[Learn More] chartbeat.js:30:22
TypeError: variable a redeclares argument[Learn More] chartbeat.js:30:456
TypeError: variable a redeclares argument[Learn More] chartbeat.js:44:339
TypeError: variable a redeclares argument[Learn More] visit.js:1:1329
TypeError: variable a redeclares argument[Learn More] chartbeat.js:43:258
TypeError: variable a redeclares argument[Learn More] chartbeat.js:43:345
TypeError: variable a redeclares argument[Learn More] chartbeat.js:30:471
TypeError: variable a redeclares argument[Learn More] chartbeat.js:50:386
TypeError: variable b redeclares argument[Learn More] chartbeat.js:18:164
TypeError: variable d redeclares argument[Learn More] dvtp_src_internal58.js:805:509
TypeError: variable d redeclares argument[Learn More] t2tv7.html:20:447
Use of getPreventDefault() is deprecated. Use defaultPrevented instead. jquery.min.js:3:7108
Also, if you hover over the red exclamation point after trying to upload something, what does it say?
Additionally it's weird that you aren't given the option for the "Basic Uploader"
The Basic option disappears after getting the failed upload. I have to abandon the post, refresh the page, then begin again and choose Basic to begin with