diff --git a/src/server/distrend.c b/src/server/distrend.c
--- a/src/server/distrend.c
+++ b/src/server/distrend.c
@@ -446,6 +446,8 @@ int interactiveTest(int test, struct gen
        fprintf(stderr, "Got frame: ");
        if(find_jobframe(conn, slaveKey, &jobKey, &frameNum))
          fprintf(stderr,"No frames available to render!\n");
+       else if(jobKey == -1)
+         fprintf(stderr,"Slave &d has no render power!", slaveKey);
        else
          fprintf(stderr, "jobKey: %d, frameNum: %d\n",jobKey,frameNum);
        break;
diff --git a/src/server/mysql.c b/src/server/mysql.c
--- a/src/server/mysql.c
+++ b/src/server/mysql.c
@@ -294,6 +294,16 @@ void start_frame(distrend_mysql_conn_t c
   free(query);
 }
 
+void set_renderpower(distrend_mysql_conn_t conn, int32_t slavekey, int32_t renderpower)
+{
+  char *query;
+
+  _distren_asprintf(&query, "CALL `distren`.`Set_Render_Power`(%d,%d);", slavekey, renderpower);
+
+  mysqlQuery(conn, query, 0);
+  free(query);
+}
+
 int change_job_priority(distrend_mysql_conn_t conn, int32_t jobkey, int32_t newpriority)
 {
   char *query;
@@ -336,7 +346,7 @@ int find_jobframe(distrend_mysql_conn_t 
   return rtn;
 }
 
-int auth_slave(distrend_mysql_conn_t conn, int32_t slavekey, int32_t slavepass)
+int auth_slave(distrend_mysql_conn_t conn, int32_t slavekey, char *slavepass)
 {
   distrend_mysql_result_t result;
   char *query;
@@ -344,8 +354,9 @@ int auth_slave(distrend_mysql_conn_t con
   int32_t *isAuth = 0;
 
   int rtn;
+  mysql_real_escape_string(conn->mysqlconn,slavepass,slavepass,(unsigned int)strlen(slavepass));
 
-  _distren_asprintf(&query, "CALL `distren`.`Slave_Auth`(%d,%d);", slavekey, slavepass);
+  _distren_asprintf(&query, "CALL `distren`.`Slave_Auth`(%d,'%s');", slavekey, slavepass);
 
   result = mysqlQuery(conn, query, 2);
   free(query);
diff --git a/src/server/mysql.h b/src/server/mysql.h
--- a/src/server/mysql.h
+++ b/src/server/mysql.h
@@ -57,6 +57,11 @@ void finish_frame(distrend_mysql_conn_t 
 void start_frame(distrend_mysql_conn_t conn, int32_t slavekey, int32_t jobkey, int32_t framenum);
 
 /**
+   Mark a frame as started in the database and save the time at which it started.
+*/
+void set_renderpower(distrend_mysql_conn_t conn, int32_t slavekey, int32_t renderpower);
+
+/**
    Changes the priority of an existing (and maybe running) job. @arg head I may end up changing the head if job == head
 */
 int change_job_priority(distrend_mysql_conn_t conn, int32_t jobkey, int32_t newpriority);
@@ -66,6 +71,10 @@ int change_job_priority(distrend_mysql_c
 */
 int find_jobframe(distrend_mysql_conn_t conn, int32_t slaveKey, jobnum_t *jobKey, int32_t *frameNum);
 
+/**
+  Auth Slave: Checks username/password of slave
+*/
+int auth_slave(distrend_mysql_conn_t conn, int32_t slavekey, char *slavepass);